APA (7th ed.) Citation

Donn, W. L. (1972). The earth: Our physical environment. Wiley.

Chicago Style (17th ed.) Citation

Donn, William L. The Earth: Our Physical Environment. New York: Wiley, 1972.

MLA (8th ed.) Citation

Donn, William L. The Earth: Our Physical Environment. Wiley, 1972.

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