Willoughby, G. A., & Lappinen, M. (1943). Elements of shop drawing. Bruce Publishing Company.
Chicago Style (17th ed.) CitationWilloughby, George Alonzo, and Matt Lappinen. Elements of Shop Drawing. Milwaukee: Bruce Publishing Company, 1943.
MLA (9th ed.) CitationWilloughby, George Alonzo, and Matt Lappinen. Elements of Shop Drawing. Bruce Publishing Company, 1943.
Warning: These citations may not always be 100% accurate.