Americans outdoors :
the legacy, the challenge, with case studies : the report of the President's Commission.

APA Citation

President's Commission on Americans Outdoors (U.S.). (1987). Americans outdoors: the legacy, the challenge, with case studies : the report of the President's Commission. Washington, D.C.: Island Press.

MLA Citation

President's Commission on Americans Outdoors (U.S.). Americans Outdoors: the Legacy, the Challenge, With Case Studies : the Report of the President's Commission. Washington, D.C.: Island Press, 1987.

Warning: These citations may not always be complete (especially for serials).