APA (7th ed.) Citation

Wilson, I. F., & Rocha, V. S. (1949). Coal deposits of the Santa Clara district near Tonichi, Sonora, Mexico: A study undertaken to aid industrial development of the region. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Wilson, Ivan F., and Victor S. Rocha. Coal Deposits of the Santa Clara District Near Tonichi, Sonora, Mexico: A Study Undertaken to Aid Industrial Development of the Region. [Washington, D.C.]: United States Department of the Interior, Geological Survey, 1949.

MLA (9th ed.) Citation

Wilson, Ivan F., and Victor S. Rocha. Coal Deposits of the Santa Clara District Near Tonichi, Sonora, Mexico: A Study Undertaken to Aid Industrial Development of the Region. United States Department of the Interior, Geological Survey, 1949.