APA (7th ed.) Citation

United States. National Park Service. (1936). Southwestern monuments monthly report [with supplement], July 1936. [s.n.].

Chicago Style (17th ed.) Citation

United States. National Park Service. Southwestern Monuments Monthly Report [with Supplement], July 1936. [Washington]: [s.n.], 1936.

MLA (8th ed.) Citation

United States. National Park Service. Southwestern Monuments Monthly Report [with Supplement], July 1936. [s.n.], 1936.

Warning: These citations may not always be 100% accurate.