On Thu, 09 Apr 2020, "Phillip Helbig wrote:
So for, say, volume 2013, issue 5, id or page 37 there would be the
choice of
5, 37, 2013
or
2013, 13, 2013.

What do people here do? Is there any official recommendation?

On the ADS page
https://ui.adsabs.harvard.edu/abs/20....037G/abstract
they use the form 2013JCAP...05..037G
so I suppose it's safe to use a variant of that.