APA
United States, . (1973). Seashore, national park, and wilderness areas: hearing before Subcommittee on Parks and Recreation, 93d Congress, 1st session on S. 333, S. 1372, S. 1818 [and] S. 988, July 24, 1973. [Washington, D.C.]: .
Chicago
United States, . 1973. Seashore, national park, and wilderness areas: hearing before Subcommittee on Parks and Recreation, 93d Congress, 1st session on S. 333, S. 1372, S. 1818 [and] S. 988, July 24, 1973. [Washington, D.C.]: .
Harvard
United States, . (1973). Seashore, national park, and wilderness areas: hearing before Subcommittee on Parks and Recreation, 93d Congress, 1st session on S. 333, S. 1372, S. 1818 [and] S. 988, July 24, 1973. [Washington, D.C.]: .
MLA
United States, . Seashore, national park, and wilderness areas: hearing before Subcommittee on Parks and Recreation, 93d Congress, 1st session on S. 333, S. 1372, S. 1818 [and] S. 988, July 24, 1973. [Washington, D.C.]: . 1973.