Airworthiness directive summary. Jan.1, 1950

Chicago citation style
United States. Civil Aeronautics Administration. Airworthiness directive summary. Jan.1, 1950. 1949]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/007924039. (Accessed December 13, 2018.)
APA citation style
United States. Civil Aeronautics Administration, (1949]) Airworthiness directive summary. Jan.1, 1950. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/007924039
MLA citation style
United States. Civil Aeronautics Administration. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/007924039>.
Note: These citations are programmatically generated and may be incomplete.