References don't exist in a vacuum. When you are writing, insert temporary citations into your manuscripts, and when ready scan them to generate finished versions ready for submission or publication, with full in-text citations, footnotes, and bibliographies that meet the most exacting requirements. Even create subject bibliographies on-the-fly.

Write, cite, scan, and publish
Microsoft Word
Bookends can also scan manuscripts written with Apple Pages, OpenOffice Writer 3.x, or documents saved as RTF by any word processor.
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Access the power of Bookends from within Microsoft Word, Mellel, and Nisus Writer Pro. All interact directly with Bookends for scanning/rescanning/unscanning. Mellel also has scanned and unscanned views, background citation verification, and reference syncing between collaborators.
After a scan, temporary citations are replaced with final formatted citations. For example, in this footnote, the temporary citation
Nisus Writer Pro