APA (7th ed.) Citation

Langer, F. (1958). Der weisse Schlüssel. Artia Verlag.

Chicago Style (17th ed.) Citation

Langer, Frantisek. Der Weisse Schlüssel. Prag: Artia Verlag, 1958.

MLA (8th ed.) Citation

Langer, Frantisek. Der Weisse Schlüssel. Artia Verlag, 1958.

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