APA (7th ed.) Citation

Ellicott, K. (2008). Countries of the world and their leaders yearbook 2009. Gale/Cengage Learning.

Chicago Style (17th ed.) Citation

Ellicott, Karen. Countries of the World and Their Leaders Yearbook 2009. Detroit, Mich: Gale/Cengage Learning, 2008.

MLA (9th ed.) Citation

Ellicott, Karen. Countries of the World and Their Leaders Yearbook 2009. Gale/Cengage Learning, 2008.