APA (7th ed.) Citation

THORNBURY, W. D. (1958). Principles of geomorphology. John Wiley and Sons.

Chicago Style (17th ed.) Citation

THORNBURY, William D. Principles of Geomorphology. London: John Wiley and Sons, 1958.

MLA (9th ed.) Citation

THORNBURY, William D. Principles of Geomorphology. John Wiley and Sons, 1958.