APA (7th ed.) Citation

Jenden, P. D., & Kaplan, I. R. (1989). Origin of natural gas in Sacramento basin, California. AAPG Bulletin, 73, 431.

Chicago Style (17th ed.) Citation

Jenden, P. D., and I. R. Kaplan. "Origin of Natural Gas in Sacramento Basin, California." AAPG Bulletin 73 (1989): 431.

MLA (9th ed.) Citation

Jenden, P. D., and I. R. Kaplan. "Origin of Natural Gas in Sacramento Basin, California." AAPG Bulletin, vol. 73, 1989, p. 431.