APA (7th ed.) Citation

Campbell, F., & Kimball, T. B. (1941). Regenerative-type air heaters for refinery use.O. Proceedings of the American Petroleum Institute, 40.

Chicago Style (17th ed.) Citation

Campbell, F., and T. B. Kimball. "Regenerative-type Air Heaters for Refinery Use.O." Proceedings of the American Petroleum Institute 1941: 40.

MLA (9th ed.) Citation

Campbell, F., and T. B. Kimball. "Regenerative-type Air Heaters for Refinery Use.O." Proceedings of the American Petroleum Institute, 1941, p. 40.