APA (7th ed.) Citation

World Resources Institute. (1990). World resources, 1990-91. Oxford University Press.

Chicago Style (17th ed.) Citation

World Resources Institute. World Resources, 1990-91. New York: Oxford University Press, 1990.

MLA (9th ed.) Citation

World Resources Institute. World Resources, 1990-91. Oxford University Press, 1990.

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