APA

United States, . (1971). Clear-cutting practices on national timberlands: hearings before Subcommittee on Public Lands, 92d Congress, 1st session, on management practices on public lands. [Washington, D.C.]: .

Chicago

United States, . 1971. Clear-cutting practices on national timberlands: hearings before Subcommittee on Public Lands, 92d Congress, 1st session, on management practices on public lands. [Washington, D.C.]: .

Harvard

United States, . (1971). Clear-cutting practices on national timberlands: hearings before Subcommittee on Public Lands, 92d Congress, 1st session, on management practices on public lands. [Washington, D.C.]: .

MLA

United States, . Clear-cutting practices on national timberlands: hearings before Subcommittee on Public Lands, 92d Congress, 1st session, on management practices on public lands. [Washington, D.C.]: . 1971.