APA

United States, . (1961). Ozark Rivers National Monument: hearing before Subcommittee on Public Lands, 87th Congress, 1st session, on S. 1381, July 6, 1961. [Washington, D.C.]: .

Chicago

United States, . 1961. Ozark Rivers National Monument: hearing before Subcommittee on Public Lands, 87th Congress, 1st session, on S. 1381, July 6, 1961. [Washington, D.C.]: .

Harvard

United States, . (1961). Ozark Rivers National Monument: hearing before Subcommittee on Public Lands, 87th Congress, 1st session, on S. 1381, July 6, 1961. [Washington, D.C.]: .

MLA

United States, . Ozark Rivers National Monument: hearing before Subcommittee on Public Lands, 87th Congress, 1st session, on S. 1381, July 6, 1961. [Washington, D.C.]: . 1961.