APA Citation

Azar, J. J., & Samuel, G. R. (2007). Drilling engineering. Tulsa, Okla.: PennWell Corp..

Chicago Style Citation

Azar, Jamal J., and G. Robello Samuel. Drilling Engineering. Tulsa, Okla.: PennWell Corp., 2007.

MLA Citation

Azar, Jamal J., and G. Robello Samuel. Drilling Engineering. Tulsa, Okla.: PennWell Corp., 2007.

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