APA (7th ed.) Citation

Cooper, J. R. (1971). Mesozoic stratigraphy of the Sierrita Mountains, Pima County, Arizona. U.S. Govt. Print. Off.

Chicago Style (17th ed.) Citation

Cooper, John R. Mesozoic Stratigraphy of the Sierrita Mountains, Pima County, Arizona. Washington: U.S. Govt. Print. Off, 1971.

MLA (9th ed.) Citation

Cooper, John R. Mesozoic Stratigraphy of the Sierrita Mountains, Pima County, Arizona. U.S. Govt. Print. Off, 1971.

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