diff --git a/config/module.config.php b/config/module.config.php
index 3b5bbad..f3cc849 100644
--- a/config/module.config.php
+++ b/config/module.config.php
@@ -17,7 +17,7 @@
         ],
     ],
     'view_manager' => [
-        'template_path_stack'      => [
+        'template_path_stack' => [
             dirname(__DIR__) . '/view',
         ],
     ],
@@ -35,10 +35,10 @@
     'navigation' => [
         'AdminModule' => [
             [
-                'label'      => 'Zotero Import', // @translate
-                'route'      => 'admin/zotero',
-                'resource'   => 'ZoteroImport\Controller\Index',
-                'pages'      => [
+                'label' => 'Zotero Import', // @translate
+                'route' => 'admin/zotero',
+                'resource' => 'ZoteroImport\Controller\Index',
+                'pages' => [
                     [
                         'label' => 'Import', // @translate
                         'route' => 'admin/zotero/default',
diff --git a/src/Controller/IndexController.php b/src/Controller/IndexController.php
index 7525bdc..519286a 100644
--- a/src/Controller/IndexController.php
+++ b/src/Controller/IndexController.php
@@ -43,15 +43,15 @@ public function importAction()
                     $timestamp = (int) $addedAfter->format('U');
                 }
                 $args = [
-                    'itemSet'       => $data['itemSet'],
-                    'type'          => $data['type'],
-                    'id'            => $data['id'],
+                    'itemSet' => $data['itemSet'],
+                    'type' => $data['type'],
+                    'id' => $data['id'],
                     'collectionKey' => $data['collectionKey'],
-                    'apiKey'        => $data['apiKey'],
-                    'syncFiles'     => (bool) $data['syncFiles'],
-                    'action'        => $data['action'],
-                    'version'       => 0,
-                    'timestamp'     => $timestamp,
+                    'apiKey' => $data['apiKey'],
+                    'syncFiles' => (bool) $data['syncFiles'],
+                    'action' => $data['action'],
+                    'version' => 0,
+                    'timestamp' => $timestamp,
                 ];
 
                 if ($args['apiKey'] && !($username = $this->apiKeyIsValid($args))) {
@@ -124,7 +124,7 @@ public function exportAction()
         }
 
         // Set default values to simplify checks.
-        $params += array_fill_keys(['resource_type', 'resource_ids', 'query', 'batch_action', 'zotero_all'],null);
+        $params += array_fill_keys(['resource_type', 'resource_ids', 'query', 'batch_action', 'zotero_all'], null);
 
         $resourceType = $params['resource_type'];
         $resourceTypeMap = [
@@ -159,7 +159,7 @@ public function exportAction()
         // Export of item sets is managed like a query for all their items.
         $itemSets = [];
         $itemSetCount = 0;
-        $itemSetQuery= null;
+        $itemSetQuery = null;
         $itemQuery = $query;
 
         if ($selectAll || $resource === 'item_sets') {
diff --git a/src/Entity/ZoteroImport.php b/src/Entity/ZoteroImport.php
index ae36eeb..095991b 100644
--- a/src/Entity/ZoteroImport.php
+++ b/src/Entity/ZoteroImport.php
@@ -26,7 +26,6 @@ class ZoteroImport extends AbstractEntity
      *     onDelete="CASCADE"
      * )
      */
-
     protected $job;
     /**
      * @OneToOne(
diff --git a/src/Form/ExportForm.php b/src/Form/ExportForm.php
index 225f83a..ad11802 100644
--- a/src/Form/ExportForm.php
+++ b/src/Form/ExportForm.php
@@ -30,7 +30,7 @@ public function init()
             'name' => 'type',
             'type' => Element\Radio::class,
             'options' => [
-                'label' =>  'Library Type',  // @translate
+                'label' => 'Library Type',  // @translate
                 'info' => 'Is this a user or group library?', // @translate
                 'value_options' => [
                     'user' => 'User', // @translate
diff --git a/src/Form/ImportForm.php b/src/Form/ImportForm.php
index 39aaed3..e2ef216 100644
--- a/src/Form/ImportForm.php
+++ b/src/Form/ImportForm.php
@@ -30,7 +30,7 @@ public function init()
             'name' => 'type',
             'type' => Element\Radio::class,
             'options' => [
-                'label' =>  'Library Type',  // @translate
+                'label' => 'Library Type',  // @translate
                 'info' => 'Required. Is this a user or group library?', // @translate
                 'value_options' => [
                     'user' => 'User', // @translate
diff --git a/src/Job/AbstractZoteroSync.php b/src/Job/AbstractZoteroSync.php
index 88b83ac..66f836f 100644
--- a/src/Job/AbstractZoteroSync.php
+++ b/src/Job/AbstractZoteroSync.php
@@ -55,8 +55,8 @@ abstract class AbstractZoteroSync extends AbstractJob
      */
     protected $vocabularies = [
         'dcterms' => 'http://purl.org/dc/terms/',
-        'dctype'  => 'http://purl.org/dc/dcmitype/',
-        'bibo'    => 'http://purl.org/ontology/bibo/',
+        'dctype' => 'http://purl.org/dc/dcmitype/',
+        'bibo' => 'http://purl.org/ontology/bibo/',
     ];
 
     /**
diff --git a/src/Job/Export.php b/src/Job/Export.php
index cef930c..1e114b5 100644
--- a/src/Job/Export.php
+++ b/src/Job/Export.php
@@ -120,7 +120,7 @@ public function perform()
 
         $this->resourceClassMap = $this->loadMapping('resource_class_map');
         $this->itemTypeMap = $this->prepareMapping('item_type_map');
-        $this->creatorNameMap =  $this->loadMapping('creator_name_map');
+        $this->creatorNameMap = $this->loadMapping('creator_name_map');
         $this->propertyMap = $this->loadMapping('property_map');
 
         $this->setImportClient();
@@ -201,7 +201,7 @@ protected function export(array $itemIds, array $args)
 
         // Prepare Zotero items.
         foreach ($itemIds as $itemId) {
-            try{
+            try {
                 /** @var \Omeka\Api\Representation\ItemRepresentation $item */
                 $item = $this->api->read('items', $itemId)->getContent();
             } catch (NotFoundException $e) {
diff --git a/src/Job/Import.php b/src/Job/Import.php
index 30224cc..f55d3b6 100644
--- a/src/Job/Import.php
+++ b/src/Job/Import.php
@@ -78,7 +78,7 @@ public function perform()
             'itemType' => '-note',
         ];
         if ($collectionKey) {
-             $url = $this->url->collectionItems($collectionKey, $params);
+            $url = $this->url->collectionItems($collectionKey, $params);
         } else {
             $url = $this->url->items($params);
         }
@@ -334,7 +334,7 @@ protected function mapSubjectValues(array $zoteroItem, array $omekaItem)
      * @param array $zoteroItem The Zotero item data
      * @param array $omekaItem The Omeka item data
      * @return string
-      */
+     */
     protected function mapAttachment($zoteroItem, $omekaItem)
     {
         if ('attachment' === $zoteroItem['data']['itemType']
@@ -345,7 +345,7 @@ protected function mapAttachment($zoteroItem, $omekaItem)
             $property = $this->properties['dcterms']['title'];
             $omekaItem['o:media'][] = [
                 'o:ingester' => 'url',
-                'o:source'   => $this->url->itemFile($zoteroItem['key']),
+                'o:source' => $this->url->itemFile($zoteroItem['key']),
                 'ingest_url' => $this->url->itemFile(
                     $zoteroItem['key'],
                     ['key' => $this->getArg('apiKey')]