APA (7th ed.) Citation

United States. War Department. (1920). Entry on service records of fact and date of smallpox vaccination and typhoid-paratyphoid immunization. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. War Department. Entry on Service Records of Fact and Date of Smallpox Vaccination and Typhoid-paratyphoid Immunization. Washington: [publisher not identified], 1920.

MLA (9th ed.) Citation

United States. War Department. Entry on Service Records of Fact and Date of Smallpox Vaccination and Typhoid-paratyphoid Immunization. [publisher not identified], 1920.