APA (7th ed.) Citation

Phillips, B. G. (1992). Status of non-native plant species, Tonto National Monument, Arizona. Cooperative National Park Resources Studies Unit, School of Renewable Natural Resources, University of Arizona.

Chicago Style (17th ed.) Citation

Phillips, Barbara G. Status of Non-native Plant Species, Tonto National Monument, Arizona. Tucson, Ariz.: Cooperative National Park Resources Studies Unit, School of Renewable Natural Resources, University of Arizona, 1992.

MLA (9th ed.) Citation

Phillips, Barbara G. Status of Non-native Plant Species, Tonto National Monument, Arizona. Cooperative National Park Resources Studies Unit, School of Renewable Natural Resources, University of Arizona, 1992.