APA (7th ed.) Citation

Darley, H. C. H., & Gray, G. R. (1988). Composition and properties of drilling and completion fluids (5th edition.). Gulf Pub. Co., Book Division.

Chicago Style (17th ed.) Citation

Darley, H. C. H., and George Robert Gray. Composition and Properties of Drilling and Completion Fluids. 5th edition. Houston: Gulf Pub. Co., Book Division, 1988.

MLA (9th ed.) Citation

Darley, H. C. H., and George Robert Gray. Composition and Properties of Drilling and Completion Fluids. 5th edition. Gulf Pub. Co., Book Division, 1988.