APA (7th ed.) Citation

United States. Civil Aeronautics Administration. (1941). Digest of civil air regulations for pilots (5th ed., Aug. 1941.). U.S. Govt. Print Off.

Chicago Style (17th ed.) Citation

United States. Civil Aeronautics Administration. Digest of Civil Air Regulations for Pilots. 5th ed., Aug. 1941. Washington: U.S. Govt. Print Off, 1941.

MLA (9th ed.) Citation

United States. Civil Aeronautics Administration. Digest of Civil Air Regulations for Pilots. 5th ed., Aug. 1941. U.S. Govt. Print Off, 1941.