APA (7th ed.) Citation

George. (1979). The book of world rankings. Macmillan.

Chicago Style (17th ed.) Citation

George. The Book of World Rankings. London [etc.]: Macmillan, 1979.

MLA (8th ed.) Citation

George. The Book of World Rankings. Macmillan, 1979.

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