APA Citation

Thornbury, W. D. n. 1., & Thornbury, W. D. n. 1. (1965). Regional geomorphology of the United States. New York, New York: Willey.

Chicago Style Citation

Thornbury, William David n. 1900, and William David n. 1900 Thornbury. Regional Geomorphology of the United States. New York, New York: Willey, 1965.

MLA Citation

Thornbury, William David n. 1900, and William David n. 1900 Thornbury. Regional Geomorphology of the United States. New York, New York: Willey, 1965.

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