APA (7e ed.) Bronvermelding

Não informado. (1959). Geoscience abstracts. American Geological Institute.

Chicago (17e ed.) Bronvermelding

Não informado. Geoscience Abstracts. Washington: American Geological Institute, 1959.

MLA (8e ed.) Bronvermelding

Não informado. Geoscience Abstracts. American Geological Institute, 1959.

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