APA Citation

Pohl, F. (1955). The tunnel under the world. [Place of publication not identified]: [publisher not identified].

Chicago Style Citation

Pohl, Frederik. The Tunnel Under the World. [Place of publication not identified]: [publisher not identified], 1955.

MLA Citation

Pohl, Frederik. The Tunnel Under the World. [Place of publication not identified]: [publisher not identified], 1955.

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