APA (7th ed.) Citation

Bridges, K. L. (2011). The drilling supervisors guide to understanding and maintaining drilling fluids (2nd edition.). Drilbert Engineering, Inc..

Chicago Style (17th ed.) Citation

Bridges, Kenneth L. The Drilling Supervisors Guide to Understanding and Maintaining Drilling Fluids. 2nd edition. The Woodlands, TX: Drilbert Engineering, Inc., 2011.

MLA (9th ed.) Citation

Bridges, Kenneth L. The Drilling Supervisors Guide to Understanding and Maintaining Drilling Fluids. 2nd edition. Drilbert Engineering, Inc., 2011.