Farb, P. (1966). The land and wildlife of North America. Time-Life Books.
Cita Chicago (17th ed.)Farb, Peter. The Land and Wildlife of North America. New York: Time-Life Books, 1966.
Cita MLA (9th ed.)Farb, Peter. The Land and Wildlife of North America. Time-Life Books, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.