Cita APA

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

Citación estilo Chicago

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

Cita MLA

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