Cita APA

Sanders, J. E. (1981). Principles of physical geology. John willey &sons.

Citación estilo Chicago

Sanders, John E. Principles of Physical Geology. New york: John willey &sons, 1981.

Cita MLA

Sanders, John E. Principles of Physical Geology. John willey &sons, 1981.

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