APA (7th ed.) Citation

Attanasi, E. D., & Root, D. H. (1981). Petroleum potential of Latin America and Africa from a global perspective. Oil & Gas Journal, 79, 187.

Chicago Style (17th ed.) Citation

Attanasi, E. D., and D. H. Root. "Petroleum Potential of Latin America and Africa from a Global Perspective." Oil & Gas Journal 79 (1981): 187.

MLA (9th ed.) Citation

Attanasi, E. D., and D. H. Root. "Petroleum Potential of Latin America and Africa from a Global Perspective." Oil & Gas Journal, vol. 79, 1981, p. 187.