APA (7th ed.) Citation

Glacier Natural History Association & United States. National Park Service. (1967). Hidden Lake overlook nature trail (New ed.). Glacier Natural History Association in cooperation with the National Park Service, U.S. Dept. of the Interior.

Chicago Style (17th ed.) Citation

Glacier Natural History Association and United States. National Park Service. Hidden Lake Overlook Nature Trail. New ed. West Glacier, Mont.: Glacier Natural History Association in cooperation with the National Park Service, U.S. Dept. of the Interior, 1967.

MLA (9th ed.) Citation

Glacier Natural History Association and United States. National Park Service. Hidden Lake Overlook Nature Trail. New ed. Glacier Natural History Association in cooperation with the National Park Service, U.S. Dept. of the Interior, 1967.