APA (7th ed.) Citation

Beck, H. C. (1946). The 397th Bomb Group (M): A pictorial history. [publisher not identified].

Chicago Style (17th ed.) Citation

Beck, Henry Charles. The 397th Bomb Group (M): A Pictorial History. [Place of publication not identified]: [publisher not identified], 1946.

MLA (9th ed.) Citation

Beck, Henry Charles. The 397th Bomb Group (M): A Pictorial History. [publisher not identified], 1946.