APA (7th ed.) Citation

Sims, G. V. (1986). Better cogen economic analysis. Hydrocarbon Processing, 65, 61.

Chicago Style (17th ed.) Citation

Sims, G. V. "Better Cogen Economic Analysis." Hydrocarbon Processing 65 (1986): 61.

MLA (9th ed.) Citation

Sims, G. V. "Better Cogen Economic Analysis." Hydrocarbon Processing, vol. 65, 1986, p. 61.