All citation managers store citations and can format references in virtually any style, e.g. APA, MLA, Harvard, Vancouver.
To choose which one is best for you, have a look at the comparison table or review the full outline of features for each tool by selecting the tabs below. Don't forget to consult your advisor, instructor or fellow students: members of some departments and labs all use the same citation management tool.
source: http://wiki.ubc.ca/Documentation:Research_Commons/Citation_Management/Choosing_a_Citation_Manager