APA (7e ed.) Bronvermelding

Não informado. (1927). Journal of Paleontology. Society of Economic Paleontologists and Mineralogists.

Chicago (17e ed.) Bronvermelding

Não informado. Journal of Paleontology. Tulsa, Okla: Society of Economic Paleontologists and Mineralogists, 1927.

MLA (8e ed.) Bronvermelding

Não informado. Journal of Paleontology. Society of Economic Paleontologists and Mineralogists, 1927.

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