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.) CitationPhillips, 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 (8th ed.) CitationPhillips, 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.
Warning: These citations may not always be 100% accurate.