Sub-Topics APA Style Chicago Style MLA Style Lists -Citations - Electronic Citations Resources (International Federation of Library Associations) Provides annotated listings of sources of information on citations, including electronic citations. (IFLA) 9-05 Papers Citations - Elements (Columbia University Press - Walker and Taylor) Provides examples of various styles of citations, including MLA, APA, Chicago, and more. Please note that APA style, rather than MLA style, is required most often in the social sciences in colleges.