APA (7th ed.) Citation

Institute of Civil Engineers & Institution of Civil Engineers (Great Britain). (1991). ICE conditions of contract (6th ed.). Thomas Telford Ltd..

Chicago Style (17th ed.) Citation

Institute of Civil Engineers and Institution of Civil Engineers (Great Britain). ICE Conditions of Contract. 6th ed. London: Thomas Telford Ltd., 1991.

MLA (9th ed.) Citation

Institute of Civil Engineers and Institution of Civil Engineers (Great Britain). ICE Conditions of Contract. 6th ed. Thomas Telford Ltd., 1991.