APA (7th ed.) Citation

(1979). COUNTRIES of the world and their leaders (5th edition.). Gale Research.

Chicago Style (17th ed.) Citation

COUNTRIES of the World and Their Leaders. 5th edition. Michigan: Gale Research, 1979.

MLA (8th ed.) Citation

COUNTRIES of the World and Their Leaders. 5th edition. Gale Research, 1979.

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