APA (7th ed.) Citation

Leach, J. A.. (1996). AutoCAD 13 companion. Irwin.

Chicago Style (17th ed.) Citation

Leach, James A. AutoCAD 13 Companion. Chicago: Irwin, 1996.

MLA (9th ed.) Citation

Leach, James A. AutoCAD 13 Companion. Irwin, 1996.

Warning: These citations may not always be 100% accurate.