APA Citation

(1990). World resources 1990-91 :: A report. New York: Oxford Univ. Press.

Chicago Style Citation

World Resources 1990-91 :: A Report. New York: Oxford Univ. Press, 1990.

MLA Citation

World Resources 1990-91 :: A Report. New York: Oxford Univ. Press, 1990.

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