APA (7th ed.) Citation

Padgett, F. W., & Shultz, B. (1930). Oklahoma university to investigate special phases of refining. Oil & Gas Journal, 29, 142.

Chicago Style (17th ed.) Citation

Padgett, F. W., and B. Shultz. "Oklahoma University to Investigate Special Phases of Refining." Oil & Gas Journal 29 (1930): 142.

MLA (9th ed.) Citation

Padgett, F. W., and B. Shultz. "Oklahoma University to Investigate Special Phases of Refining." Oil & Gas Journal, vol. 29, 1930, p. 142.