United States. Navy Department. Bureau of Aeronautics. (1923). Pitch pockets. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Navy Department. Bureau of Aeronautics. Pitch Pockets. Washington: U.S. GPO, 1923.
MLA (9th ed.) CitationUnited States. Navy Department. Bureau of Aeronautics. Pitch Pockets. U.S. GPO, 1923.
Warning: These citations may not always be 100% accurate.