United States. Department of the Interior. Office of the Secretary. (1915). Proceedings of National Park Conference held at Berkeley, Calif., Mar. 11, 12, and 13, 1915. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of the Interior. Office of the Secretary. Proceedings of National Park Conference Held at Berkeley, Calif., Mar. 11, 12, and 13, 1915. Washington: U.S. GPO, 1915.
MLA (9th ed.) CitationUnited States. Department of the Interior. Office of the Secretary. Proceedings of National Park Conference Held at Berkeley, Calif., Mar. 11, 12, and 13, 1915. U.S. GPO, 1915.
Warning: These citations may not always be 100% accurate.