APA (7th ed.) Citation

Perry, F., & Hay, R. (1982). A field guide to tropical and subtropical plants. Van Nostrand Reinhold Co..

Chicago Style (17th ed.) Citation

Perry, Frances, and Roy Hay. A Field Guide to Tropical and Subtropical Plants. New York: Van Nostrand Reinhold Co., 1982.

MLA (9th ed.) Citation

Perry, Frances, and Roy Hay. A Field Guide to Tropical and Subtropical Plants. Van Nostrand Reinhold Co., 1982.