APA (7th ed.) Citation

National Public Radio (U.S.), Montagne, R., Simon, S., & Cronkite, W. (2011). World War II. HighBridge Audio.

Chicago Style (17th ed.) Citation

National Public Radio (U.S.), Renee Montagne, Scott Simon, and Walter Cronkite. World War II. Minneapolis, MN: HighBridge Audio, 2011.

MLA (8th ed.) Citation

National Public Radio (U.S.), et al. World War II. HighBridge Audio, 2011.

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