APA (7th ed.) Citation

International Society for Trenchless Technology. (1991). Introduction to trenchless technology. International Society for Trenchless Technology.

Chicago Style (17th ed.) Citation

International Society for Trenchless Technology. Introduction to Trenchless Technology. London: International Society for Trenchless Technology, 1991.

MLA (9th ed.) Citation

International Society for Trenchless Technology. Introduction to Trenchless Technology. International Society for Trenchless Technology, 1991.

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