APA (7th ed.) Citation

Research Associates, inc. (1957). The unit operation of oil and gas fields. [publisher not identified].

Chicago Style (17th ed.) Citation

Research Associates, inc. The Unit Operation of Oil and Gas Fields. Oklahoma City: [publisher not identified], 1957.

MLA (9th ed.) Citation

Research Associates, inc. The Unit Operation of Oil and Gas Fields. [publisher not identified], 1957.