Antiaircraft matériel for machine guns; service handbook

Chicago citation style
United States. Army. Ordnance Department. Antiaircraft matériel for machine guns; service handbook. 1920. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001628210. (Accessed July 20, 2019.)
APA citation style
United States. Army. Ordnance Department, (1920) Antiaircraft matériel for machine guns; service handbook. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001628210
MLA citation style
United States. Army. Ordnance Department. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/001628210>.
Note: These citations are programmatically generated and may be incomplete.