United States. National Park Service. (1936). Southwestern monuments monthly report [with supplement], July 1936. [s.n.].
Chicago Style (17th ed.) CitationUnited States. National Park Service. Southwestern Monuments Monthly Report [with Supplement], July 1936. [Washington]: [s.n.], 1936.
MLA (8th ed.) CitationUnited States. National Park Service. Southwestern Monuments Monthly Report [with Supplement], July 1936. [s.n.], 1936.
Warning: These citations may not always be 100% accurate.