United States. Navy Department. (1920). Use of standard time zones at sea. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Navy Department. Use of Standard Time Zones at Sea. Washington: U.S. GPO, 1920.
MLA (9th ed.) CitationUnited States. Navy Department. Use of Standard Time Zones at Sea. U.S. GPO, 1920.
Warning: These citations may not always be 100% accurate.