The cite link in the share box is minuscule:
Since this is a very important feature for MO, it should have much more visibility.
After letting this slip through the cracks for a couple of years, I'm pleased say we've implemented Scott Morrison's solution:
(Ignore the "mod" link if you aren't a moderator.)
We did talk about replacing the share link, but decided it was potentially confusing for users of other sites. Currently the citations are active on the following sites:
Especially for the Physics and CS folks, it would be confusing to move the share link too much. Personally, I use it to generate a short link to answers all the time and would not want it to move around depending on what site I'm on. Puting the "cite" link just after "share" seems like a reasonable compromise to me.