APA (7th ed.) Citation

Lee, S. J., Willis, A., & Trench, W. (2014). Willis's elements of quantity surveying Sandra Jean Lee, James Andrew Willis, William Trench (Twelfth edition.). John Wiley & Sons Inc..

Chicago Style (17th ed.) Citation

Lee, Sandra Jean, Andrew Willis, and William Trench. Willis's Elements of Quantity Surveying Sandra Jean Lee, James Andrew Willis, William Trench. Twelfth edition. Chichester: John Wiley & Sons Inc., 2014.

MLA (9th ed.) Citation

Lee, Sandra Jean, et al. Willis's Elements of Quantity Surveying Sandra Jean Lee, James Andrew Willis, William Trench. Twelfth edition. John Wiley & Sons Inc., 2014.

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