APA (7th ed.) Citation

Müller, G., & Müller, G. B. (1990). Juni 1940 - April 1942.

Chicago Style (17th ed.) Citation

Müller, Gerd, and Gerd BeteiligteR Müller. Juni 1940 - April 1942. 1990.

MLA (8th ed.) Citation

Müller, Gerd, and Gerd BeteiligteR Müller. Juni 1940 - April 1942. 1990.

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