APA Edition Citation

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

Chicago Edition Citation

Thornbury, William D. Principles of Geomorphology. London: John Wiley, 1954.

MLA Edition Citation

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

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