APA (7e ed.) Bronvermelding

Não informado. (1938). The American Biology Teacher. National Association of Biology Teachers.

Chicago (17e ed.) Bronvermelding

Não informado. The American Biology Teacher. Reston, Va: National Association of Biology Teachers, 1938.

MLA (8e ed.) Bronvermelding

Não informado. The American Biology Teacher. National Association of Biology Teachers, 1938.

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