APA (7th ed.) Citation

Roberts. (1989). The illustrated directory of the United States Air Force. Crescent Books Distributed by Crown Publishers.

Chicago Style (17th ed.) Citation

Roberts. The Illustrated Directory of the United States Air Force. New York: Crescent Books Distributed by Crown Publishers, 1989.

MLA (8th ed.) Citation

Roberts. The Illustrated Directory of the United States Air Force. Crescent Books Distributed by Crown Publishers, 1989.

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