APA (7th ed.) Citation

Gautier, E. F., & Mayhew, D. F. (1935). Sahara, the great desert. Columbia university press.

Chicago Style (17th ed.) Citation

Gautier, Emile Felix, and Dorothy Ford Mayhew. Sahara, the Great Desert. New York: Columbia university press, 1935.

MLA (9th ed.) Citation

Gautier, Emile Felix, and Dorothy Ford Mayhew. Sahara, the Great Desert. Columbia university press, 1935.