APA (7th ed.) Citation

Permuy Lopez, R. A., & Salgado, J. C. (2009). Air war over Spain: Aviators, aircraft and air units of the Nationalist and Republican Air Forces, 1936-1939. Allan Pub.

Chicago Style (17th ed.) Citation

Permuy Lopez, Rafael A., and Juan Carlos Salgado. Air War over Spain: Aviators, Aircraft and Air Units of the Nationalist and Republican Air Forces, 1936-1939. Hersham, UK: Allan Pub, 2009.

MLA (9th ed.) Citation

Permuy Lopez, Rafael A., and Juan Carlos Salgado. Air War over Spain: Aviators, Aircraft and Air Units of the Nationalist and Republican Air Forces, 1936-1939. Allan Pub, 2009.

Warning: These citations may not always be 100% accurate.