Excerpts from the Council of Science Editors Style Guide, at the Writing Center, Univ of Wisconsin Madison
ProQuest RefWorks is a citation management tool that helps researchers gather, manage, store, and share information and generate citations and bibliographies in various styles.
Extensive tutorials are available. The Write-N-Cite plugin allows you to cite sources while creating a paper in Word or Google Docs, automatically building your cited references list as you write.