Não informado. (1922). Leaflet. Field Museum of Natural History.
Style de citation Chicago (17e éd.)Não informado. Leaflet. Chicago, Ill: Field Museum of Natural History, 1922.
Style de citation MLA (8e éd.)Não informado. Leaflet. Field Museum of Natural History, 1922.
Attention : ces citations peuvent ne pas être correctes à 100%.