APA (7th ed.) Citation

United States. National Park Service. Air Quality Division, Cooperative National Park Resources Studies Unit (Tucson, Ariz.), & University of Arizona. School of Renewable Natural Resources. (1993). Review of the Air Quality Biological Effects Research Program, Saguaro National Monument, Arizona. National Park Service, Cooperative National Park Resources Studies Unit, School of Renewable Natural Resources, The University of Arizona.

Chicago Style (17th ed.) Citation

United States. National Park Service. Air Quality Division, Ariz.) Cooperative National Park Resources Studies Unit (Tucson, and University of Arizona. School of Renewable Natural Resources. Review of the Air Quality Biological Effects Research Program, Saguaro National Monument, Arizona. Tucson, Ariz.: National Park Service, Cooperative National Park Resources Studies Unit, School of Renewable Natural Resources, The University of Arizona, 1993.

MLA (9th ed.) Citation

United States. National Park Service. Air Quality Division, et al. Review of the Air Quality Biological Effects Research Program, Saguaro National Monument, Arizona. National Park Service, Cooperative National Park Resources Studies Unit, School of Renewable Natural Resources, The University of Arizona, 1993.