United States. Department of the Interior, ProQuest (Firm), & United States. National Park Service. (1916). Report of the Superintendent of National Parks. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Department of the Interior, ProQuest (Firm), and United States. National Park Service. Report of the Superintendent of National Parks. Washington: [publisher not identified], 1916.
MLA (9th ed.) CitationUnited States. Department of the Interior, et al. Report of the Superintendent of National Parks. [publisher not identified], 1916.
Warning: These citations may not always be 100% accurate.