APA (7th ed.) Citation

Zimmermann, R. C. (1969). Plant ecology of an arid basin, Tres Alamos-Redington area, southeastern Arizona. U.S. Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Zimmermann, Robert C. Plant Ecology of an Arid Basin, Tres Alamos-Redington Area, Southeastern Arizona. Washington: U.S. Department of the Interior, Geological Survey, 1969.

MLA (9th ed.) Citation

Zimmermann, Robert C. Plant Ecology of an Arid Basin, Tres Alamos-Redington Area, Southeastern Arizona. U.S. Department of the Interior, Geological Survey, 1969.