United States. Civil Aeronautics Authority. (1938). Civil Aeronautics Authority manual: 14, Aircraft propeller airworthiness. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Civil Aeronautics Authority. Civil Aeronautics Authority Manual: 14, Aircraft Propeller Airworthiness. [Washington]: [s.n.], 1938.
MLA (9th ed.) CitationUnited States. Civil Aeronautics Authority. Civil Aeronautics Authority Manual: 14, Aircraft Propeller Airworthiness. [s.n.], 1938.
Warning: These citations may not always be 100% accurate.