APA (7th ed.) Citation

International Monetary Fund. Research Dept. (1991). World Economic Outlook May 1991. International Monetary Fund.

Chicago Style (17th ed.) Citation

International Monetary Fund. Research Dept. World Economic Outlook May 1991. Washington, D.C.: International Monetary Fund, 1991.

MLA (8th ed.) Citation

International Monetary Fund. Research Dept. World Economic Outlook May 1991. International Monetary Fund, 1991.