APA (7th ed.) Citation

Rahn, J. E. (1982). Plants that changed history. Atheneum.

Chicago Style (17th ed.) Citation

Rahn, Joan Elma. Plants That Changed History. New York: Atheneum, 1982.

MLA (9th ed.) Citation

Rahn, Joan Elma. Plants That Changed History. Atheneum, 1982.

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