APA Citation

Thornbury, W. D. (1954). Principles of Geomorphology. John Wiley Sons.

Chicago Style Citation

Thornbury, William D. Principles of Geomorphology. John Wiley Sons, 1954.

MLA Citation

Thornbury, William D. Principles of Geomorphology. John Wiley Sons, 1954.

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