APA (7th ed.) Citation

Shumaker, T. M. (2014). AutoCAD and its applications (Twenty-first Edition.). The Goodheart-Willcox Company, Inc.

Chicago Style (17th ed.) Citation

Shumaker, Terence M. AutoCAD and Its Applications. Twenty-first Edition. Tinley Park, IL: The Goodheart-Willcox Company, Inc, 2014.

MLA (8th ed.) Citation

Shumaker, Terence M. AutoCAD and Its Applications. Twenty-first Edition. The Goodheart-Willcox Company, Inc, 2014.