Cita APA (7a ed.)

(1928). Annual report of the director of aeronautics. Government Printing Office.

Cita Chicago Style (17a ed.)

Annual Report of the Director of Aeronautics. Washington, D.C: Government Printing Office, 1928.

Cita MLA (9a ed.)

Annual Report of the Director of Aeronautics. Government Printing Office, 1928.