APA (7th ed.) Citation

United States. National Park Service. (2008). Yellowstone National Park boating regulations: Motorized boating, non-motorized boating, boating safety. [U.S. National Park Service].

Chicago Style (17th ed.) Citation

United States. National Park Service. Yellowstone National Park Boating Regulations: Motorized Boating, Non-motorized Boating, Boating Safety. [Washington, D.C.]: [U.S. National Park Service], 2008.

MLA (9th ed.) Citation

United States. National Park Service. Yellowstone National Park Boating Regulations: Motorized Boating, Non-motorized Boating, Boating Safety. [U.S. National Park Service], 2008.