APA (7th ed.) Citation

Sumner, R. (2004). Geography basics. Salem Press.

Chicago Style (17th ed.) Citation

Sumner, Ray. Geography Basics. Pasadena, Calif.: Salem Press, 2004.

MLA (8th ed.) Citation

Sumner, Ray. Geography Basics. Salem Press, 2004.

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