Cita APA (7a ed.)

Shedenhelm, L. E. (1940). Pilots' Powerplant manual. United States Department of Commerce. Civil Aeronautics Administration.

Cita Chicago Style (17a ed.)

Shedenhelm, L. E. Pilots' Powerplant Manual. Washington: United States Department of Commerce. Civil Aeronautics Administration, 1940.

Cita MLA (8a ed.)

Shedenhelm, L. E. Pilots' Powerplant Manual. United States Department of Commerce. Civil Aeronautics Administration, 1940.