APA (7th ed.) Citation

Grochau, M., & Gurevich, B. (2009). Testing Gassmann fluid substitution: Sonic logs versus ultrasonic core measurements. Blackwell Publishing.

Chicago Style (17th ed.) Citation

Grochau, Marcos, and Boris Gurevich. Testing Gassmann Fluid Substitution: Sonic Logs Versus Ultrasonic Core Measurements. Blackwell Publishing, 2009.

MLA (9th ed.) Citation

Grochau, Marcos, and Boris Gurevich. Testing Gassmann Fluid Substitution: Sonic Logs Versus Ultrasonic Core Measurements. Blackwell Publishing, 2009.

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