APA (7e ed.) Bronvermelding

Não informado. (1893). University of California publications in geological sciences. University of California Press.

Chicago (17e ed.) Bronvermelding

Não informado. University of California Publications in Geological Sciences. Berkeley, Calif: University of California Press, 1893.

MLA (8e ed.) Bronvermelding

Não informado. University of California Publications in Geological Sciences. University of California Press, 1893.

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