APA (7th ed.) Citation

Kahl, R., Oliver, T. L., Gelders, F. v., & Klietmann, K. Uniforms and Badges of the Third Reich. Military Collectors Service.

Chicago Style (17th ed.) Citation

Kahl, Rudolph, Tony L. Oliver, Frank von Gelders, and Kurt-Gerhard Klietmann. Uniforms and Badges of the Third Reich. Kedichem: Military Collectors Service.

MLA (8th ed.) Citation

Kahl, Rudolph, et al. Uniforms and Badges of the Third Reich. Military Collectors Service.