APA (7th ed.) Citation

Wallace, R. (1973). The Grand Canyon. Time-Life Books.

Chicago Style (17th ed.) Citation

Wallace, Robert. The Grand Canyon. New York: Time-Life Books, 1973.

MLA (9th ed.) Citation

Wallace, Robert. The Grand Canyon. Time-Life Books, 1973.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.