APA (7th ed.) Citation

(1999). OECD economic outlook: December 1999. OECD Publishing.

Chicago Style (17th ed.) Citation

OECD Economic Outlook: December 1999. Paris, France: OECD Publishing, 1999.

MLA (9th ed.) Citation

OECD Economic Outlook: December 1999. OECD Publishing, 1999.