APA (7e ed.) Bronvermelding

Não informado. (1893). Journal of Geology. University of Chicago Press.

Chicago (17e ed.) Bronvermelding

Não informado. Journal of Geology. Chicago, Ill: University of Chicago Press, 1893.

MLA (8e ed.) Bronvermelding

Não informado. Journal of Geology. University of Chicago Press, 1893.

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