APA (7th ed.) Citation

Beck, R. J. (1990). Oil industry outlook, 1990-1994 (6th edition.). PennWell.

Chicago Style (17th ed.) Citation

Beck, Robert J. Oil Industry Outlook, 1990-1994. 6th edition. Tulsa, Okla.: PennWell, 1990.

MLA (9th ed.) Citation

Beck, Robert J. Oil Industry Outlook, 1990-1994. 6th edition. PennWell, 1990.

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