APA-Zitierstil (7. Ausg.)

Irwin, J. H., Stevens, P. R., & Cooley, M. E. (1971). Geology of the Paleozoic rocks, Navajo and Hopi Indian Reservations, Arizona, New Mexico, and Utah. U.S. Gov. Print. Off.

Chicago-Zitierstil (17. Ausg.)

Irwin, James H., Peter R. Stevens, und Maurice E. Cooley. Geology of the Paleozoic Rocks, Navajo and Hopi Indian Reservations, Arizona, New Mexico, and Utah. Washington, D.C: U.S. Gov. Print. Off, 1971.

MLA-Zitierstil (9. Ausg.)

Irwin, James H., et al. Geology of the Paleozoic Rocks, Navajo and Hopi Indian Reservations, Arizona, New Mexico, and Utah. U.S. Gov. Print. Off, 1971.