United States. Navy Department. Bureau of Construction and Repair. (1918). HS-1L flying boat handbook. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Navy Department. Bureau of Construction and Repair. HS-1L Flying Boat Handbook. Washington: U.S. GPO, 1918.
MLA (9th ed.) CitationUnited States. Navy Department. Bureau of Construction and Repair. HS-1L Flying Boat Handbook. U.S. GPO, 1918.
Warning: These citations may not always be 100% accurate.