APA (7th ed.) Citation

Boardman, F. W. (1960). Tunnels / by F.W. Boardman. Walck.

Chicago Style (17th ed.) Citation

Boardman, F. W. Tunnels / by F.W. Boardman. Walck, 1960.

MLA (9th ed.) Citation

Boardman, F. W. Tunnels / by F.W. Boardman. Walck, 1960.

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