APA (7th ed.) Citation

United States. Navy Department. Bureau of Aeronautics. (1928). Parachutes, back type, replacement of rip cord. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Navy Department. Bureau of Aeronautics. Parachutes, Back Type, Replacement of Rip Cord. Washington: [publisher not identified], 1928.

MLA (9th ed.) Citation

United States. Navy Department. Bureau of Aeronautics. Parachutes, Back Type, Replacement of Rip Cord. [publisher not identified], 1928.