APA (7th ed.) Citation

Roberts, P. M. (2012). World War II: The essential reference guide. ABC-CLIO.

Chicago Style (17th ed.) Citation

Roberts, Priscilla Mary. World War II: The Essential Reference Guide. Santa Barbara, Calif.: ABC-CLIO, 2012.

MLA (8th ed.) Citation

Roberts, Priscilla Mary. World War II: The Essential Reference Guide. ABC-CLIO, 2012.

Warning: These citations may not always be 100% accurate.