APA (7th ed.) Citation

Maddison, A. (2006). The world economy Volume 1: A millennial perspective Volume 2 : Historical statistics. Paris.

Chicago Style (17th ed.) Citation

Maddison, Angus. The World Economy Volume 1: A Millennial Perspective Volume 2 : Historical Statistics. Paris, 2006.

MLA (8th ed.) Citation

Maddison, Angus. The World Economy Volume 1: A Millennial Perspective Volume 2 : Historical Statistics. Paris, 2006.

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