APA (7th ed.) Citation

Kellermann, B. (1940). The tunnel. William Heinemann.

Chicago Style (17th ed.) Citation

Kellermann, Bernhard. The Tunnel. London: William Heinemann, 1940.

MLA (8th ed.) Citation

Kellermann, Bernhard. The Tunnel. William Heinemann, 1940.

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