Use software like EndNote and Zotero to manage your sources - download citations from library databases; export the bibliography into your paper. Compare the features of some different citation manager programs here.
Zotero is a free plugin that easily saves citations from GIL and most library databases, as well as sites like Amazon and the New York Times online.
EndNote is a free download for GSU students, faculty and staff. It's a desktop application that runs on Windows or MacOS.
Both programs have Word plugins that automatically create bibliographies in the style of your choice.