APA (7e ed.) Bronvermelding

Não informado. (2002). Bulletin of the Geological and Natural History Survey of the Chicago Academy of Sciences. Chicago Academy of Sciences.

Chicago (17e ed.) Bronvermelding

Não informado. Bulletin of the Geological and Natural History Survey of the Chicago Academy of Sciences. Chicago, Ill: Chicago Academy of Sciences, 2002.

MLA (8e ed.) Bronvermelding

Não informado. Bulletin of the Geological and Natural History Survey of the Chicago Academy of Sciences. Chicago Academy of Sciences, 2002.

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