APA (7th ed.) Citation

Robinson, D. (1961). Trees and forests of Glacier National Park (Rev. 1961.). Glacier Natural History Association in cooperation with the National Park Service.

Chicago Style (17th ed.) Citation

Robinson, Don. Trees and Forests of Glacier National Park. Rev. 1961. West Glacier, Mont.: Glacier Natural History Association in cooperation with the National Park Service, 1961.

MLA (9th ed.) Citation

Robinson, Don. Trees and Forests of Glacier National Park. Rev. 1961. Glacier Natural History Association in cooperation with the National Park Service, 1961.