APA (7th ed.) Citation

Prentice, B. (1980). Ammonia costs linked to gas prices. Oil & Gas Journal, 78, 96.

Chicago Style (17th ed.) Citation

Prentice, B. "Ammonia Costs Linked to Gas Prices." Oil & Gas Journal 78 (1980): 96.

MLA (9th ed.) Citation

Prentice, B. "Ammonia Costs Linked to Gas Prices." Oil & Gas Journal, vol. 78, 1980, p. 96.

Warning: These citations may not always be 100% accurate.