Comparison of three reference managers

UC Berkeley - Bioscience Library Citation and Document Managers Comparison Chart
(UC Berkely)
New York University Bobst Library Citation Comparison
(NYU/Bobst Library)
Princeton University Princeton LibGuides- WWS RefWorks, EndNote, Zotero- The Basics
(Princeton University Library)
Tisch Library: Tufts University Comparison of Three Bibliographic Citation Tools
(Tisch Library)