APA (7e ed.) Bronvermelding

Não informado. (2010). The American Geologist. Geological Publishing House.

Chicago (17e ed.) Bronvermelding

Não informado. The American Geologist. Minneapolis, Minn: Geological Publishing House, 2010.

MLA (8e ed.) Bronvermelding

Não informado. The American Geologist. Geological Publishing House, 2010.

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