APA Citation

Sheehan, T. J. 1., & Sheehan, M. 1. (1979). Orchid genera illustrated. New York: Van Nostrand Reinhold Company.

Chicago Style Citation

Sheehan, Thomas John 1924-2016, and Marion 1923-1998 Sheehan. Orchid Genera Illustrated. New York: Van Nostrand Reinhold Company, 1979.

MLA Citation

Sheehan, Thomas John 1924-2016, and Marion 1923-1998 Sheehan. Orchid Genera Illustrated. New York: Van Nostrand Reinhold Company, 1979.

Warning: These citations may not always be 100% accurate.