Cita APA (7a ed.)
Dahlgreen, B. (1923). Cacao. Field Museum of Natural History, Department of Botany.
Cita Chicago Style (17a ed.)
Dahlgreen, B.E. Cacao. Chicago: Field Museum of Natural History, Department of Botany, 1923.
Cita MLA (9a ed.)
Dahlgreen, B.E. Cacao. Field Museum of Natural History, Department of Botany, 1923.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.