Cita APA (7a ed.)
Young, A. M. (1994). The chocolate tree: A natural history of cacao. Smithsonian Institution Press.
Cita Chicago Style (17a ed.)
Young, Allen M. The Chocolate Tree: A Natural History of Cacao. Washington, D.C.: Smithsonian Institution Press, 1994.
Cita MLA (9a ed.)
Young, Allen M. The Chocolate Tree: A Natural History of Cacao. Smithsonian Institution Press, 1994.
警告：這些引文格式不一定是100％准確.