APA (7th ed.) Citation

Allen, G. B. (1985). Economic geology of the Big Horn Mountains of west-central Arizona. Arizona Bureau of Geology and Mineral Technology.

Chicago Style (17th ed.) Citation

Allen, George B. Economic Geology of the Big Horn Mountains of West-central Arizona. Tucson, Ariz.: Arizona Bureau of Geology and Mineral Technology, 1985.

MLA (9th ed.) Citation

Allen, George B. Economic Geology of the Big Horn Mountains of West-central Arizona. Arizona Bureau of Geology and Mineral Technology, 1985.