APA (7th ed.) Citation

Shrock, C. R., & Heather, S. (2019). Beginning AutoCAD 2020: Exercise workbook. Industrial Press, Incorporated.

Chicago Style (17th ed.) Citation

Shrock, Cheryl R., and Steve Heather. Beginning AutoCAD 2020: Exercise Workbook. South Norwalk, CT: Industrial Press, Incorporated, 2019.

MLA (9th ed.) Citation

Shrock, Cheryl R., and Steve Heather. Beginning AutoCAD 2020: Exercise Workbook. Industrial Press, Incorporated, 2019.