APA (7e ed.) Bronvermelding

Não informado. (1940). Biological symposia. American Association for the Advancement of Science.

Chicago (17e ed.) Bronvermelding

Não informado. Biological Symposia. Lancaster, Pa: American Association for the Advancement of Science, 1940.

MLA (8e ed.) Bronvermelding

Não informado. Biological Symposia. American Association for the Advancement of Science, 1940.

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