APA (7th ed.) Citation

Nelson, E. (2002). The complete idiot's guide to the Roman Empire. Alpha.

Chicago Style (17th ed.) Citation

Nelson, Eric. The Complete Idiot's Guide to the Roman Empire. Indianapolis, Ind.: Alpha, 2002.

MLA (9th ed.) Citation

Nelson, Eric. The Complete Idiot's Guide to the Roman Empire. Alpha, 2002.