APA (7th ed.) Citation

Nations, U. (1981). World economic survey: 1980-81. The author.

Chicago Style (17th ed.) Citation

Nations, United. World Economic Survey: 1980-81. The author, 1981.

MLA (9th ed.) Citation

Nations, United. World Economic Survey: 1980-81. The author, 1981.

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