Wright, R. P. (1973). Marine Jurassic of Wyoming and South Dakota: Its paleoenvironments and paleobiogeography. Museum of Paleontology, University of Michigan.
Chicago-Zitierstil (17. Ausg.)Wright, Robert Paul. Marine Jurassic of Wyoming and South Dakota: Its Paleoenvironments and Paleobiogeography. Ann Arbor: Museum of Paleontology, University of Michigan, 1973.
MLA-Zitierstil (9. Ausg.)Wright, Robert Paul. Marine Jurassic of Wyoming and South Dakota: Its Paleoenvironments and Paleobiogeography. Museum of Paleontology, University of Michigan, 1973.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.