APA (7th ed.) Citation

Chappell, E. (2011). AutoCAD Civil 3D 2012 Essentials.

Chicago Style (17th ed.) Citation

Chappell, Eric. AutoCAD Civil 3D 2012 Essentials. 2011.

MLA (9th ed.) Citation

Chappell, Eric. AutoCAD Civil 3D 2012 Essentials. 2011.

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