APA
Schuster N., Badon J., Robbins E., Badon J. & Robbins E. (1971). Application of the ISF/Sonic combination tool to gulf coast formations. United States of America: Schlumberger.
Chicago
Schuster N.A, Badon J.D, Robbins E.R, Badon J.D and Robbins E.R. 1971. Application of the ISF/Sonic combination tool to gulf coast formations. United States of America: Schlumberger.
Harvard
Schuster N., Badon J., Robbins E., Badon J. and Robbins E. (1971). Application of the ISF/Sonic combination tool to gulf coast formations. United States of America: Schlumberger.
MLA
Schuster N.A, Badon J.D, Robbins E.R, Badon J.D and Robbins E.R. Application of the ISF/Sonic combination tool to gulf coast formations. United States of America: Schlumberger. 1971.