Cita APA (7a ed.)

Thompson, G. R., & Turk, J. (1993). Modern physical geology. Saunders College Publishing.

Cita Chicago Style (17a ed.)

Thompson, Graham R., y Jonathan Turk. Modern Physical Geology. Philadelphia: Saunders College Publishing, 1993.

Cita MLA (8a ed.)

Thompson, Graham R., y Jonathan Turk. Modern Physical Geology. Saunders College Publishing, 1993.