APA (7th ed.) Citation

Ritter, D. F., Kochel,. R. Craig, & Miller, J. R. Process geomorphology (4th ed.).

Chicago Style (17th ed.) Citation

Ritter, Dale F., Kochel,. R. Craig, and Jerry R. Miller. Process Geomorphology. 4th ed.

MLA (8th ed.) Citation

Ritter, Dale F., et al. Process Geomorphology. 4th ed.