Cita APA (7th ed.)

Cleveland Cutler J., O<U+0092>Connor Peter A., & Sustainability Institute. Energy return on investment (EROI) of oil shale.

Cita Chicago (17th ed.)

Cleveland Cutler J., O<U+0092>Connor Peter A., i Sustainability Institute. Energy Return on Investment (EROI) of Oil Shale.

Cita MLA (9th ed.)

Cleveland Cutler J., et al. Energy Return on Investment (EROI) of Oil Shale.