APA (7e ed.) Bronvermelding

Schindewolf, O. H. (1993). Basic questions in paleontology: Geologic time, organic evolution, and biological systematics. University of Chicago Press.

Chicago (17e ed.) Bronvermelding

Schindewolf, Otto H. Basic Questions in Paleontology: Geologic Time, Organic Evolution, and Biological Systematics. Chicago: University of Chicago Press, 1993.

MLA (9e ed.) Bronvermelding

Schindewolf, Otto H. Basic Questions in Paleontology: Geologic Time, Organic Evolution, and Biological Systematics. University of Chicago Press, 1993.