APA (7th ed.) Citation

Steven, T. A. (1968). Critical review of the San Juan peneplain, southwestern Colorado. U.S. Govt. Print. Off.

Chicago Style (17th ed.) Citation

Steven, Thomas A. Critical Review of the San Juan Peneplain, Southwestern Colorado. Washington: U.S. Govt. Print. Off, 1968.

MLA (9th ed.) Citation

Steven, Thomas A. Critical Review of the San Juan Peneplain, Southwestern Colorado. U.S. Govt. Print. Off, 1968.