Thomas S. Dye writes:
AFAIK, the only software that has proposed a solution to the problem of maintaining a citation database that can support the universe of citation styles developed "in the wild" is BibLaTeX.
Well with BibTeX alone you can maintain a citation database and to support any citation style, you just:
"reverse polish notation" know? 'skip {"reverse polish notation" learn} if "citation style" write -- Jorge.