diff --git a/.gitmodules b/.gitmodules
index aeb73f157e..9f3b46b589 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -31,3 +31,6 @@
 [submodule "plugins/generic/webFeed"]
 	path = plugins/generic/webFeed
 	url = https://github.com/pkp/webFeed.git
+[submodule "plugins/generic/openCitations"]
+	path = plugins/generic/openCitations
+	url = https://github.com/pkp/openCitations
diff --git a/api/v1/citations/index.php b/api/v1/citations/index.php
new file mode 100644
index 0000000000..63c3deb6f0
--- /dev/null
+++ b/api/v1/citations/index.php
@@ -0,0 +1,19 @@
+<?php
+
+/**
+ * @defgroup api_v1_citations Citation API requests
+ */
+
+/**
+ * @file api/v1/citations/index.php
+ *
+ * Copyright (c) 2025 Simon Fraser University
+ * Copyright (c) 2025 John Willinsky
+ * Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
+ *
+ * @ingroup api_v1_citations
+ *
+ * @brief Handle API requests for citations.
+ */
+
+return new \PKP\handler\APIHandler(new \PKP\API\v1\citations\PKPCitationController());
diff --git a/pages/preprint/PreprintHandler.php b/pages/preprint/PreprintHandler.php
index d8e0bd6bb7..d115a9bce0 100644
--- a/pages/preprint/PreprintHandler.php
+++ b/pages/preprint/PreprintHandler.php
@@ -25,7 +25,6 @@
 use APP\security\authorization\OpsServerMustPublishPolicy;
 use APP\template\TemplateManager;
 use Firebase\JWT\JWT;
-use PKP\citation\CitationDAO;
 use PKP\config\Config;
 use PKP\core\Core;
 use PKP\core\PKPApplication;
@@ -268,11 +267,10 @@ public function view($args, $request)
         ]);
 
         // Citations
-        if ($publication->getData('citationsRaw')) {
-            $citationDao = DAORegistry::getDAO('CitationDAO'); /** @var CitationDAO $citationDao */
-            $parsedCitations = $citationDao->getByPublicationId($publication->getId());
+        if ($publication->getData('citations') || $publication->getData('citationsRaw')) {
             $templateMgr->assign([
-                'parsedCitations' => $parsedCitations->toArray(),
+                'citations' => $publication->getData('citations'),
+                'citationsRaw' => $publication->getData('citationsRaw')
             ]);
         }
 
diff --git a/templates/frontend/objects/preprint_details.tpl b/templates/frontend/objects/preprint_details.tpl
index f23e3d6b21..1f21493d4c 100644
--- a/templates/frontend/objects/preprint_details.tpl
+++ b/templates/frontend/objects/preprint_details.tpl
@@ -47,7 +47,7 @@
  * plugins using the hooks provided:
  *
  * @hook Templates::Preprint::Main []
- * @hook Templates::Preprint::Details::Reference [[parsedCitation]]
+ * @hook Templates::Preprint::Details::Reference []
  * @hook Templates::Preprint::Details []
  *
  * @uses $preprint Preprint This preprint
@@ -255,18 +255,18 @@
 			{/if}
 
 			{* References *}
-			{if $parsedCitations || $publication->getData('citationsRaw')}
+			{if $citations || $citationsRaw}
 				<section class="item references">
 					<h2 class="label">
 						{translate key="submission.citations"}
 					</h2>
 					<div class="value">
-						{if $parsedCitations}
-							{foreach from=$parsedCitations item="parsedCitation"}
-								<p>{$parsedCitation->getCitationWithLinks()|strip_unsafe_html} {call_hook name="Templates::Preprint::Details::Reference" citation=$parsedCitation}</p>
+						{if $citations}
+							{foreach from=$citations item="citation"}
+								<p>{$citation->getRawCitationWithLinks()|strip_unsafe_html} {call_hook name="Templates::Preprint::Details::Reference" citation=$citation}</p>
 							{/foreach}
 						{else}
-							{$publication->getData('citationsRaw')|escape|nl2br}
+							{$citationsRaw|escape|nl2br}
 						{/if}
 					</div>
 				</section>