APA (7th ed.) Citation

Mitchell, A. F., & More, D. (1987). The trees of North America. Facts on File, Inc..

Chicago Style (17th ed.) Citation

Mitchell, Alan F., and David More. The Trees of North America. New York, N.Y.: Facts on File, Inc., 1987.

MLA (9th ed.) Citation

Mitchell, Alan F., and David More. The Trees of North America. Facts on File, Inc., 1987.