APA (7th ed.) Citation

Böll, H. (1972). Die Spurlosen. Insel-Verlag.

Chicago Style (17th ed.) Citation

Böll, Heinrich. Die Spurlosen. Leipzig: Insel-Verlag, 1972.

MLA (8th ed.) Citation

Böll, Heinrich. Die Spurlosen. Insel-Verlag, 1972.

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