APA (7th ed.) Citation

National Trails Agenda Project (U.S.), American Trails (Organization), & United States. National Park Service. (1990). Trails for all Americans: The report of the National Trails Agenda Project. The Service.

Chicago Style (17th ed.) Citation

National Trails Agenda Project (U.S.), American Trails (Organization), and United States. National Park Service. Trails for All Americans: The Report of the National Trails Agenda Project. [Washington, D.C. ?]: The Service, 1990.

MLA (9th ed.) Citation

National Trails Agenda Project (U.S.), et al. Trails for All Americans: The Report of the National Trails Agenda Project. The Service, 1990.