APA引文

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引文

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