APA (7th ed.) Citation

Schmidt, C. A., Powell, B. F., Halvorson, W. L., Sonoran Desert Field Station (Tucson, A., University of Arizona. School of Renewable Natural Resources., Geological Survey (U.S.), & United States. National Park Service. (2007). Plant and vertebrate inventory of Organ Pipe Cactus National Monument. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Schmidt, Cecilia A., Brian F. Powell, William L. 1943- Halvorson, Ariz.) Sonoran Desert Field Station (Tucson, University of Arizona. School of Renewable Natural Resources, Geological Survey (U.S.), and United States. National Park Service. Plant and Vertebrate Inventory of Organ Pipe Cactus National Monument. Reston, Va.: U.S. Geological Survey, 2007.

MLA (8th ed.) Citation

Schmidt, Cecilia A., et al. Plant and Vertebrate Inventory of Organ Pipe Cactus National Monument. U.S. Geological Survey, 2007.