APA (7th ed.) Citation

Clear, C. A., & Harrison, T. A. (1985). Concrete pressure on formwork. CIRIA.

Chicago Style (17th ed.) Citation

Clear, C. A., and T. A. Harrison. Concrete Pressure on Formwork. London: CIRIA, 1985.

MLA (9th ed.) Citation

Clear, C. A., and T. A. Harrison. Concrete Pressure on Formwork. CIRIA, 1985.