APA-Zitierstil (7. Ausg.)

Future petroleum provinces of the United States: Their geology and potential. American Association of Petroleum Geologists.

Chicago-Zitierstil (17. Ausg.)

Future Petroleum Provinces of the United States: Their Geology and Potential. Tulsa, Okla: American Association of Petroleum Geologists.

MLA-Zitierstil (9. Ausg.)

Future Petroleum Provinces of the United States: Their Geology and Potential. American Association of Petroleum Geologists.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.