APA (7th ed.) Citation

Drewes, H. (1971). Mesozoic stratigraphy of the Santa Rita Mountains, southeast of Tucson, Arizona. U.S. Govt. Print. Off.

Chicago Style (17th ed.) Citation

Drewes, Harald. Mesozoic Stratigraphy of the Santa Rita Mountains, Southeast of Tucson, Arizona. Washington: U.S. Govt. Print. Off, 1971.

MLA (9th ed.) Citation

Drewes, Harald. Mesozoic Stratigraphy of the Santa Rita Mountains, Southeast of Tucson, Arizona. U.S. Govt. Print. Off, 1971.