APA (7th ed.) Citation

Helsel, J. D. (2010). Mechanical drawing: Board & CAD techniques. Glencoe/McGraw-Hill.

Chicago Style (17th ed.) Citation

Helsel, Jay D. Mechanical Drawing: Board & CAD Techniques. Woodland Hills, Calif: Glencoe/McGraw-Hill, 2010.

MLA (9th ed.) Citation

Helsel, Jay D. Mechanical Drawing: Board & CAD Techniques. Glencoe/McGraw-Hill, 2010.