United States. Navy Department. (1928). Inscriptions on official matter free of postage under penalty privilege. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Navy Department. Inscriptions on Official Matter Free of Postage Under Penalty Privilege. Washington: U.S. GPO, 1928.
MLA (9th ed.) CitationUnited States. Navy Department. Inscriptions on Official Matter Free of Postage Under Penalty Privilege. U.S. GPO, 1928.
Warning: These citations may not always be 100% accurate.