APA

United States, . (1970). Report to Congress: problems related to restricting use of motorized equipment in wilderness and similar areas, Department of Agriculture [and] Department of Interior. [Washington, D.C: .

Chicago

United States, . 1970. Report to Congress: problems related to restricting use of motorized equipment in wilderness and similar areas, Department of Agriculture [and] Department of Interior. [Washington, D.C: .

Harvard

United States, . (1970). Report to Congress: problems related to restricting use of motorized equipment in wilderness and similar areas, Department of Agriculture [and] Department of Interior. [Washington, D.C: .

MLA

United States, . Report to Congress: problems related to restricting use of motorized equipment in wilderness and similar areas, Department of Agriculture [and] Department of Interior. [Washington, D.C: . 1970.