APA (7th ed.) Citation

Underbalanced... (1997). Underbalanced drilling manual. Gas Research Institute.

Chicago Style (17th ed.) Citation

Underbalanced... Underbalanced Drilling Manual. Gas Research Institute, 1997.

MLA (8th ed.) Citation

Underbalanced... Underbalanced Drilling Manual. Gas Research Institute, 1997.

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