Cite
MLA (8th Edition)
Geologic Map of the Tucson Mountains Caldera, Southern Arizona. For sale by Map Distribution, The Survey, 1993.
APA (7th Edition)
Geologic map of the Tucson Mountains caldera, southern Arizona. (1993). For sale by Map Distribution, The Survey.
Chicago (17th Edition)
“Geologic Map of the Tucson Mountains Caldera, Southern Arizona.” Denver, CO: For sale by Map Distribution, The Survey, 1993.