United States. Attorney-General. (1918). Supplementary instructions and regulations concerning pass system under Regulation 13 of President's proclamation of Nov. 16, 1917. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Attorney-General. Supplementary Instructions and Regulations Concerning Pass System Under Regulation 13 of President's Proclamation of Nov. 16, 1917. Washington: U.S. GPO, 1918.
MLA (9th ed.) CitationUnited States. Attorney-General. Supplementary Instructions and Regulations Concerning Pass System Under Regulation 13 of President's Proclamation of Nov. 16, 1917. U.S. GPO, 1918.
Warning: These citations may not always be 100% accurate.