APA (7th ed.) Citation

NetLibrary, Inc, Greco, J., & Sosa, E. (1999). The Blackwell guide to epistemology. Blackwell Publishers.

Chicago Style (17th ed.) Citation

NetLibrary, Inc, John Greco, and Ernest Sosa. The Blackwell Guide to Epistemology. Malden, Mass.: Blackwell Publishers, 1999.

MLA (9th ed.) Citation

NetLibrary, Inc, et al. The Blackwell Guide to Epistemology. Blackwell Publishers, 1999.