APA (7th ed.) Citation

McDowell, F. W., & Clabaugh, S. E. The igneous history of the Sierra Madre Occidental and its relation to the tectonic evolution of western Mexico. Universidad Nacional Autónoma de México.

Chicago Style (17th ed.) Citation

McDowell, Fred W., and Stephen E. Clabaugh. The Igneous History of the Sierra Madre Occidental and Its Relation to the Tectonic Evolution of Western Mexico. Universidad Nacional Autónoma de México.

MLA (9th ed.) Citation

McDowell, Fred W., and Stephen E. Clabaugh. The Igneous History of the Sierra Madre Occidental and Its Relation to the Tectonic Evolution of Western Mexico. Universidad Nacional Autónoma de México.

Warning: These citations may not always be 100% accurate.