How to cite Jupyter and its subprojects

What is the preferred citation to use for citing Jupyter in an academic paper?

We have used this citation for our sympy paper, but one of the reviewers has asked for a more up-to-date citation, since that citation is about IPython, not Jupyter.

Edit

@choldgraf is modifying this issue to collect a few links shared below here, since others are using it as a reference issue!

Check out this Discourse post for an ongoing list