Cita APA (7th ed.)

Allen, T. O. (1982). Production operations (2nd ed.). Oil & Gas Consultants International, Inc.

Cita Chicago (17th ed.)

Allen, Thomas O. Production Operations. 2nd ed. Tulsa, Oklahoma: Oil & Gas Consultants International, Inc, 1982.

Cita MLA (9th ed.)

Allen, Thomas O. Production Operations. 2nd ed. Oil & Gas Consultants International, Inc, 1982.