APA Edition Citation

Maddison, A. (1989). World economy in the 20th century.

Chicago Edition Citation

Maddison, Angus. World Economy in the 20th Century. Oxford & IBH Publishing Co., New Delhi, 1989.

MLA Edition Citation

Maddison, Angus. World Economy in the 20th Century. 1989.

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