APA (7th ed.) Citation

GRAY, G. R. (1980). Composition and properties of oil well drilling fluids - George R. Gray, H.C.H. Darley. Gulf.

Chicago Style (17th ed.) Citation

GRAY, George R. Composition and Properties of Oil Well Drilling Fluids - George R. Gray, H.C.H. Darley. Gulf, 1980.

MLA (8th ed.) Citation

GRAY, George R. Composition and Properties of Oil Well Drilling Fluids - George R. Gray, H.C.H. Darley. Gulf, 1980.

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