West, R. M., & Hutchison, J. H. Geology and paleontology of the Bridger Formation, Southern Green River Basin, southwestern Wyoming. Milwaukee Public Museum.
Chicago-Zitierstil (17. Ausg.)West, Robert M., und John Howard Hutchison. Geology and Paleontology of the Bridger Formation, Southern Green River Basin, Southwestern Wyoming. Milwaukee, Wis: Milwaukee Public Museum.
MLA-Zitierstil (9. Ausg.)West, Robert M., und John Howard Hutchison. Geology and Paleontology of the Bridger Formation, Southern Green River Basin, Southwestern Wyoming. Milwaukee Public Museum.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.