Cita APA

Longwell, C. R. (1948). Physical Geology. (3a. ed.). New York: John Willey & Sons, Inc..

Citación estilo Chicago

Longwell, Chester R. Physical Geology. 3a. ed. New York: John Willey & Sons, Inc., 1948.

Cita MLA

Longwell, Chester R. Physical Geology. 3a. ed. New York: John Willey & Sons, Inc., 1948.