APA (7th ed.) Citation

Upton, H. (1993). Don't overlook propane. National Petroleum News, 85(11), 16.

Chicago Style (17th ed.) Citation

Upton, Howard. "Don't Overlook Propane." National Petroleum News 85, no. 11 (1993): 16.

MLA (9th ed.) Citation

Upton, Howard. "Don't Overlook Propane." National Petroleum News, vol. 85, no. 11, 1993, p. 16.