APA (7e ed.) Bronvermelding

Não informado. (2003). Earth Sciences History. History of the Earth Sciences Society.

Chicago (17e ed.) Bronvermelding

Não informado. Earth Sciences History. Troy, NY: History of the Earth Sciences Society, 2003.

MLA (8e ed.) Bronvermelding

Não informado. Earth Sciences History. History of the Earth Sciences Society, 2003.

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