APA-Zitierstil (7. Ausg.)

Powell, J. W. (1961). The exploration of the Colorado river. Doubleday.

Chicago-Zitierstil (17. Ausg.)

Powell, John W. The Exploration of the Colorado River. New York: Doubleday, 1961.

MLA-Zitierstil (9. Ausg.)

Powell, John W. The Exploration of the Colorado River. Doubleday, 1961.