Mendeley free reference manager software
Mendeley is a free reference manager software and academic social network that can help you organize your documents, collaborate with others online, and discover the latest research. It combines Mendeley Desktop, a PDF and reference management application (available for Windows, OS X and Linux) with Mendeley Web, an online social network for researchers.
Download the desktop version and easily insert citations and create bibliographies on the fly with the MSOffice plug-in. The iPhone and iPad apps are free to install.