United States. War Department. (1922). [Regulations for Enlisted Reserve Corps, under National Defense Act as amended by Act of Congress approved June 4, 1920; amendments]. GPO.
Chicago Style (17th ed.) CitationUnited States. War Department. [Regulations for Enlisted Reserve Corps, Under National Defense Act as Amended by Act of Congress Approved June 4, 1920; Amendments]. [Washington]: GPO, 1922.
MLA (9th ed.) CitationUnited States. War Department. [Regulations for Enlisted Reserve Corps, Under National Defense Act as Amended by Act of Congress Approved June 4, 1920; Amendments]. GPO, 1922.
Warning: These citations may not always be 100% accurate.