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.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.