Cita APA (7a ed.)

Williams, H. (1941). Crater lake: The story of its origin. University of California Press.

Cita Chicago Style (17a ed.)

Williams, Howel. Crater Lake: The Story of Its Origin. Berkeley, Los Angeles: University of California Press, 1941.

Cita MLA (8a ed.)

Williams, Howel. Crater Lake: The Story of Its Origin. University of California Press, 1941.

Precaución: Estas citas no son 100% exactas.