APA (7th ed.) Citation

Drewes, H. (1976). Plutonic rocks of the Santa Rita Mountains, southeast of Tucson, Arizona. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Drewes, Harald. Plutonic Rocks of the Santa Rita Mountains, Southeast of Tucson, Arizona. Washington: United States Department of the Interior, Geological Survey, 1976.

MLA (9th ed.) Citation

Drewes, Harald. Plutonic Rocks of the Santa Rita Mountains, Southeast of Tucson, Arizona. United States Department of the Interior, Geological Survey, 1976.