MLA

Chilingar, George V, et al. Probability In Petroleum and Environmental Engineering. Gulf Publishing Company, 2005.

APA

Chilingar, G. V, Khilyuk, L. F, Reike, H. H, & Rieke Herman H, R. Herman H. (2005). Probability in Petroleum and Environmental Engineering. Gulf Publishing Company.

Chicago

Chilingar, George V., Leonid F Khilyuk, Herman H Reike, and Rieke Herman H. Probability In Petroleum and Environmental Engineering. : Gulf Publishing Company, 2005.