APA Citation

Willis, & Trench. (1998). Willi's elements of quantity surveving (9th ed.). Iowa: Blackwell.

Chicago Style Citation

Willis, and Trench. Willi's Elements of Quantity Surveving. 9th ed. Iowa: Blackwell, 1998.

MLA Citation

Willis, and Trench. Willi's Elements of Quantity Surveving. 9th ed. Iowa: Blackwell, 1998.

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