Cita APA

(1956). The petroleum engineer. [Petroleum Engineer Pub. Co..

Chicago Style (17th ed.) Citation

The Petroleum Engineer. Dallas, Tex.: [Petroleum Engineer Pub. Co., 1956.

Cita MLA

The Petroleum Engineer. [Petroleum Engineer Pub. Co., 1956.

Atenció: Aquestes cites poden no estar 100% correctes.