APA (7th ed.) Citation

Sell, G. (1963). The petroleum industry / by G. Sell. O.U.P..

Chicago Style (17th ed.) Citation

Sell, G. The Petroleum Industry / by G. Sell. O.U.P., 1963.

MLA (9th ed.) Citation

Sell, G. The Petroleum Industry / by G. Sell. O.U.P., 1963.

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