Cleveland, C. M. (1978). "Upside-down" Pangborn, King of the Barnstormers. Aviation Book Co..
Cita Chicago Style (17a ed.)Cleveland, Carl M. "Upside-down" Pangborn, King of the Barnstormers. Glendale, Calif.: Aviation Book Co., 1978.
Cita MLA (8a ed.)Cleveland, Carl M. "Upside-down" Pangborn, King of the Barnstormers. Aviation Book Co., 1978.
Precaución: Estas citas no son 100% exactas.