APA Citation

Thornbury, W. D. (1969). Principles of geomorphology. John Wiley.

Chicago Style Citation

Thornbury, William D. Principles of Geomorphology. John Wiley, 1969.

MLA Citation

Thornbury, William D. Principles of Geomorphology. John Wiley, 1969.

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