How do you do an internal citation without a page number?

Question

But you have the volume and issue number? This is an article, by the way.

Answer 1

You really do need the page numbers, too.  It's important that you've seen the original journal reference yourself, not copied it "secondhand" from someone else's use.  Not that the page numbers ensure that, of course, but it's a dead giveaway if you DON'T have 'em.  Sorry, I don't expect this is what you wanted to hear.