APA (7th ed.) Citation

Chia, S. L. (1990). Tunnels in soft ground.

Chicago Style (17th ed.) Citation

Chia, Soon Leong. Tunnels in Soft Ground. 1990.

MLA (8th ed.) Citation

Chia, Soon Leong. Tunnels in Soft Ground. 1990.

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