Dead-simple extension meant to replace the original mdx_cite extension, which is not maintained, nor compatible with python-markown v3+
pip install git+https://github.com/triopter/mdx-3-cite.git#egg=mdx_cite
>>> import markdown
>>> src = '"""Who Is Killing the Great Chefs of Europe?""" is the last movie I watched.'
>>> html = markdown.markdown(src, extensions=['mdx_cite'])
>>> print(html)
<p><cite>Who Is Killing the Great Chefs of Europe?</cite> is the last movie I watched.</p>