APA (7th ed.) Citation

Gray, G. R., Darley, H. C. H., & Rogers, W. F. (1980). Composition and properties of oil well drilling fluids / George R. Gray, H.C.H. Darley, Walter F. Rogers (4th ed.). Gulf Publishing ;.

Chicago Style (17th ed.) Citation

Gray, George R., H C H. Darley, and Walter F. Rogers. Composition and Properties of Oil Well Drilling Fluids / George R. Gray, H.C.H. Darley, Walter F. Rogers. 4th ed. Houston ; London ; (Lancaster): Gulf Publishing ;, 1980.

MLA (9th ed.) Citation

Gray, George R., et al. Composition and Properties of Oil Well Drilling Fluids / George R. Gray, H.C.H. Darley, Walter F. Rogers. 4th ed. Gulf Publishing ;, 1980.

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