http://www.easybib.com/

"By providing us with the information you know about your sources, we can properly format, alphabetize, and print your citation list. We’ve used EasyBib ourselves, and personally vouch for its performance: it cuts down bibliography creation time from one half to two thirds."

No more flipping through a reference catalogue for appropriate MLA citation formats for different media, thank RAYG. This should come in handy for my sustainable development planning thesis which requires 15 peer-reviewed sources. The more manual labour that can be circumvented, the better.