APA (7th ed.) Citation

Azar. (2007). Drilling Engineering: J.J. Azar, G. Robello Samuel. PennWell Corporation.

Chicago Style (17th ed.) Citation

Azar. Drilling Engineering: J.J. Azar, G. Robello Samuel. Oklahoma: PennWell Corporation, 2007.

MLA (8th ed.) Citation

Azar. Drilling Engineering: J.J. Azar, G. Robello Samuel. PennWell Corporation, 2007.

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