APA (7th ed.) Citation

Samuel, G. R. (2007). Downhole drilling tools: Theory and practice for engineers and students. Gulf Pub.

Chicago Style (17th ed.) Citation

Samuel, G. Robello. Downhole Drilling Tools: Theory and Practice for Engineers and Students. Houston, Tex: Gulf Pub, 2007.

MLA (9th ed.) Citation

Samuel, G. Robello. Downhole Drilling Tools: Theory and Practice for Engineers and Students. Gulf Pub, 2007.

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