Cita APA

Zumberge, J. H., & Nelson, C. A. (1976). Elements of physical geology. New York: J. Wiley & Sons.

Citación estilo Chicago

Zumberge, James Herbert, y Clemens A. Nelson. Elements of Physical Geology. New York: J. Wiley & Sons, 1976.

Cita MLA

Zumberge, James Herbert, y Clemens A. Nelson. Elements of Physical Geology. New York: J. Wiley & Sons, 1976.