APA (7th ed.) Citation

Haswell, C. K., & De Silva, D. S. (1982). Civil engineering contracts: Practice and procedure. Butterworths Scientific.

Chicago Style (17th ed.) Citation

Haswell, Charles K., and Douglas S. De Silva. Civil Engineering Contracts: Practice and Procedure. London: Butterworths Scientific, 1982.

MLA (9th ed.) Citation

Haswell, Charles K., and Douglas S. De Silva. Civil Engineering Contracts: Practice and Procedure. Butterworths Scientific, 1982.