The WisBlawg - From the UW Law Library , produced by Bonnie Shucha, Head of Reference, has two postings about free products that can greatly simplify the writing process for users of the Firefox browser :
CiteGenie Creates Bluebook Citations from Westlaw
See Review of CiteGenie on LLRX.com
A Must Have: Zotero Manages the Entire Research & Writing Process
"Zotero is a free, easy-to-use Firefox extension to help you collect, manage, and cite your research sources."