APA (7th ed.) Citation

Young, A. M. (1994). The chocolate tree: A natural history of cacao. Smithsonian Inst. Press.

Chicago Style (17th ed.) Citation

Young, Allen M. The Chocolate Tree: A Natural History of Cacao. Washington u.a: Smithsonian Inst. Press, 1994.

MLA (9th ed.) Citation

Young, Allen M. The Chocolate Tree: A Natural History of Cacao. Smithsonian Inst. Press, 1994.