APA (7th ed.) Citation

Economist Publications (Firm). (1981). The World in figures (Third Edition.). The Economist.

Chicago Style (17th ed.) Citation

Economist Publications (Firm). The World in Figures. Third Edition. London: The Economist, 1981.

MLA (9th ed.) Citation

Economist Publications (Firm). The World in Figures. Third Edition. The Economist, 1981.

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