United States. Provost Marshal General's Bureau. (1917). Mobilization regulations prescribed by President under authority of Selective Service Law (Act of May 18, 1917). U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Provost Marshal General's Bureau. Mobilization Regulations Prescribed by President Under Authority of Selective Service Law (Act of May 18, 1917). Washington: U.S. GPO, 1917.
MLA (9th ed.) CitationUnited States. Provost Marshal General's Bureau. Mobilization Regulations Prescribed by President Under Authority of Selective Service Law (Act of May 18, 1917). U.S. GPO, 1917.
Warning: These citations may not always be 100% accurate.