APA (7th ed.) Citation

Texas A & M University. Center for Education and Research in Free Enterprise & Keim, G. D. (1980). Profitability of major oil companies: Normal returns or windfall profits? Center for Education and Research in Free Enterprise, Texas A & M University.

Chicago Style (17th ed.) Citation

Texas A & M University. Center for Education and Research in Free Enterprise and Gerald D. Keim. Profitability of Major Oil Companies: Normal Returns or Windfall Profits? College Station, Tex.: Center for Education and Research in Free Enterprise, Texas A & M University, 1980.

MLA (9th ed.) Citation

Texas A & M University. Center for Education and Research in Free Enterprise and Gerald D. Keim. Profitability of Major Oil Companies: Normal Returns or Windfall Profits? Center for Education and Research in Free Enterprise, Texas A & M University, 1980.