APA (7th ed.) Citation

Thomas, A. (2009). Sprayed concrete lined tunnels: An introduction. Taylor & Francis.

Chicago Style (17th ed.) Citation

Thomas, Alun. Sprayed Concrete Lined Tunnels: An Introduction. New York: Taylor & Francis, 2009.

MLA (9th ed.) Citation

Thomas, Alun. Sprayed Concrete Lined Tunnels: An Introduction. Taylor & Francis, 2009.

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