google-calendar-simple-api/docs/source/_templates/footer.html

{% extends "!footer.html" %}
{% block extrafooter %}{{ super() }}
<div>
    <br>
    Portions of this page are reproduced from and/or are modifications based on work created and
    <a href="https://developers.google.com/calendar/api/v3/reference">shared by Google</a>
    and used according to terms described in the
    <a href="https://creativecommons.org/licenses/by/4.0/">Creative Commons 4.0 Attribution License</a>.
</div>
{% endblock %}