APA

United States, . (1991). Revised development concept plan: Lake McDonald, Glacier National Park, Montana. Denver, Colo: National Park Service.

Chicago

United States, . 1991. Revised development concept plan: Lake McDonald, Glacier National Park, Montana. Denver, Colo: National Park Service.

Harvard

United States, . (1991). Revised development concept plan: Lake McDonald, Glacier National Park, Montana. Denver, Colo: National Park Service.

MLA

United States, . Revised development concept plan: Lake McDonald, Glacier National Park, Montana. Denver, Colo: National Park Service. 1991.