MLA

Wheeler, Robert R, and Maurine Whited. Oil From Prospect to Pipeline (4th Edition). Gulf Publishing Company, 2005.

APA

Wheeler, R. R, & Whited, M. (2005). Oil from Prospect to Pipeline (4th Edition). Gulf Publishing Company.

Chicago

Wheeler, Robert R., and Maurine Whited. Oil From Prospect to Pipeline (4th Edition). : Gulf Publishing Company, 2005.