APA (7th ed.) Citation

Speer, F. (2009). Eighty-one aces of the 4th Fighter Group (1. publ.). Schiffer Military History.

Chicago Style (17th ed.) Citation

Speer, Frank. Eighty-one Aces of the 4th Fighter Group. 1. publ. Atglen, PA: Schiffer Military History, 2009.

MLA (9th ed.) Citation

Speer, Frank. Eighty-one Aces of the 4th Fighter Group. 1. publ. Schiffer Military History, 2009.