APA (7th ed.) Citation

Lee, S. J., Trench, W. F., & Willis, A. (2005). Willis's elements of quantity surveying (10th ed.). Blackwell Publishing.

Chicago Style (17th ed.) Citation

Lee, Sandra Jean, William F.R.I.C.S Trench, and Andrew Willis. Willis's Elements of Quantity Surveying. 10th ed. Oxford, England: Blackwell Publishing, 2005.

MLA (9th ed.) Citation

Lee, Sandra Jean, et al. Willis's Elements of Quantity Surveying. 10th ed. Blackwell Publishing, 2005.