APA (7th ed.) Citation

Cummings, G. H. (1974). Optimum use of world petroleum. New York : AIChE.

Chicago Style (17th ed.) Citation

Cummings, George H. Optimum Use of World Petroleum. New York : AIChE, 1974.

MLA (9th ed.) Citation

Cummings, George H. Optimum Use of World Petroleum. New York : AIChE, 1974.

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