APA (7th ed.) Citation

Riva, J. P. (1983). World petroleum resources and reserves. Westview Press.

Chicago Style (17th ed.) Citation

Riva, Joseph P. World Petroleum Resources and Reserves. Boulder, Colo.: Westview Press, 1983.

MLA (9th ed.) Citation

Riva, Joseph P. World Petroleum Resources and Reserves. Westview Press, 1983.