APA (7th ed.) Citation

United States. Heritage Conservation and Recreation Service. (1979). National wild and scenic rivers system as authorized by P.L. 90-542, as amended. Dept. of the Interior, Heritage Conservation and Recreation Service.

Chicago Style (17th ed.) Citation

United States. Heritage Conservation and Recreation Service. National Wild and Scenic Rivers System as Authorized by P.L. 90-542, as Amended. [Washington]: Dept. of the Interior, Heritage Conservation and Recreation Service, 1979.

MLA (9th ed.) Citation

United States. Heritage Conservation and Recreation Service. National Wild and Scenic Rivers System as Authorized by P.L. 90-542, as Amended. Dept. of the Interior, Heritage Conservation and Recreation Service, 1979.