APA

Adams A., Stillman A. G., Stegner P. & Adams A. (2008). California. New York: Little, Brown and Company.

Chicago

Adams Ansel, Stillman A G, Stegner P and Adams A. 2008. California. New York: Little, Brown and Company.

Harvard

Adams A., Stillman A. G., Stegner P. and Adams A. (2008). California. New York: Little, Brown and Company.

MLA

Adams Ansel, Stillman A G, Stegner P and Adams A. California. New York: Little, Brown and Company. 2008.