APA (7e ed.) Bronvermelding

Heiser, V. G. (2011). Newcomers to the tropics. Bulletin of the American Historical Collection.

Chicago (17e ed.) Bronvermelding

Heiser, Victor G. "Newcomers to the Tropics." Bulletin of the American Historical Collection 2011.

MLA (9e ed.) Bronvermelding

Heiser, Victor G. "Newcomers to the Tropics." Bulletin of the American Historical Collection, 2011.

Let op: Deze citaties zijn niet altijd 100% accuraat.