It's not there, unless I'm missing something.

Not quite sure what you are trying to accomplish, however, You can change the styling of it via the CSS and everything else is done in BBcode management.

Trying to rearrange the citation elements.

For example, rather than

Snapback Image / User, On Date, Time Said:

I would like to have

User Said: (Linked to snapback) Date, Time (Aligned right)