APA

Jenks W. F., The Geological Society of America, . (1956). Handbook of South American Geology. New York: Geol.Soc.of America.

Chicago

Jenks William F, The Geological Society of America, . 1956. Handbook of South American Geology. New York: Geol.Soc.of America.

Harvard

Jenks W. F., The Geological Society of America, . (1956). Handbook of South American Geology. New York: Geol.Soc.of America.

MLA

Jenks William F, The Geological Society of America, . Handbook of South American Geology. New York: Geol.Soc.of America. 1956.