Add 'how to cite this page' section to page layout

_includes/citation.html

@@ -0,0 +1,14 @@
+{% if page.title %}
+<h2>How to cite this page</h2>
+<div>
+    {% if page.contributors %}
+        {{ page.contributors | join: ", " }},
+    {% endif %}
+    "<em>{{ page.title }}</em>".
+    {% if site.url %}
+        {{ site.url }}.
+    {% endif %}
+    {% assign page_url = page.url | absolute_url %}
+    <a href="{{ page_url }}">{{ page_url }}</a> (accessed {{ site.time | date: "%d %B, %Y" }}).
+</div>
+{% endif %}

_layouts/page.html

@@ -34,6 +34,9 @@ <h1>{{ page.title }}
         {%- endif %}
         {% include affiliation-tiles-page.html %}
         {% include contributor-minitiles-page.html %}
+        {% if page.include_citation %}
+        {% include citation.html %}
+        {% endif %}
         {%- if site.theme_variables.github_buttons.position == "bottom" %}
         <div id="github-buttons-wrapper" class="d-flex mt-5">
         {% include github-buttons.html %}

pages/documentation/page_mechanics.md

@@ -45,7 +45,8 @@ It is important to know that you can also set the these key-value pairs on multi
 
 * `type`: The type of page, used for [website sections](website_sections).
 
-
+* `include_citation`: When set to true, it will cause the citation section for the page to be generated in the format:
+`<author names>. <page title> (<site name> material). Online: <page URL>. Accessed: <date>`.
 
 ### Related pages