APA (7th ed.) Citation
Gunnarsson, G., & de Boor, H. (1937). Der graue Mann: Roman. Langen, G. Müller.
Chicago Style (17th ed.) Citation
Gunnarsson, Gunnar, and Helmut de Boor. Der Graue Mann: Roman. München: Langen, G. Müller, 1937.
MLA (9th ed.) Citation
Gunnarsson, Gunnar, and Helmut de Boor. Der Graue Mann: Roman. Langen, G. Müller, 1937.
Warning: These citations may not always be 100% accurate.