APA (7th ed.) Citation

(1987). Tunnels in the Netherlands: Underground transport connections. Illustra.

Chicago Style (17th ed.) Citation

Tunnels in the Netherlands: Underground Transport Connections. [Ridderkerk]: Illustra, 1987.

MLA (9th ed.) Citation

Tunnels in the Netherlands: Underground Transport Connections. Illustra, 1987.

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