The economics of public recreation;
an economic study of the monetary evaluation of recreation in the national parks.

APA Citation

United States. National Park Service. (1949). The economics of public recreation: an economic study of the monetary evaluation of recreation in the national parks. Washington: Land and Recreational Planning Division, National Park Service.

MLA Citation

United States. National Park Service. The Economics of Public Recreation: an Economic Study of the Monetary Evaluation of Recreation In the National Parks. Washington: Land and Recreational Planning Division, National Park Service, 1949.

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