APA (7th ed.) Citation

Beck, R. J. (1990). Oil industry outlook: 1991 - 1995 (7. ed.). Pennwell.

Chicago Style (17th ed.) Citation

Beck, Robert J. Oil Industry Outlook: 1991 - 1995. 7. ed. Tulsa, Okla: Pennwell, 1990.

MLA (9th ed.) Citation

Beck, Robert J. Oil Industry Outlook: 1991 - 1995. 7. ed. Pennwell, 1990.