APA (7th ed.) Citation

Kurian, G. T., & Marti, J. (1991). The new book of world rankings (3rd ed.). Facts on File.

Chicago Style (17th ed.) Citation

Kurian, George Thomas, and James Marti. The New Book of World Rankings. 3rd ed. New York: Facts on File, 1991.

MLA (9th ed.) Citation

Kurian, George Thomas, and James Marti. The New Book of World Rankings. 3rd ed. Facts on File, 1991.

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