APA (7th ed.) Citation

Russell, B., & Kline, M. An essay on the foundations of geometry. Dover Publications, Inc.

Chicago Style (17th ed.) Citation

Russell, Bertrand, and Morris Kline. An Essay on the Foundations of Geometry. New York: Dover Publications, Inc.

MLA (8th ed.) Citation

Russell, Bertrand, and Morris Kline. An Essay on the Foundations of Geometry. Dover Publications, Inc.

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