APA (7th ed.) Citation

Willis, A. J., & Willis, C. J. (1935). Elements of quantity surveying (5th. ed.). Crosby Lockwood Ltd.

Chicago Style (17th ed.) Citation

Willis, Arthur James, and Christopher J. Willis. Elements of Quantity Surveying. 5th. ed. London: Crosby Lockwood Ltd, 1935.

MLA (9th ed.) Citation

Willis, Arthur James, and Christopher J. Willis. Elements of Quantity Surveying. 5th. ed. Crosby Lockwood Ltd, 1935.