APA Edition Citation

William D. Thornbury. (2002). Principles of Geomorphology (2nd.). CBS.

Chicago Edition Citation

William D. Thornbury. Principles of Geomorphology. 2nd. NewDelhi: CBS, 2002.

MLA Edition Citation

William D. Thornbury. Principles of Geomorphology. 2nd. CBS, 2002.

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