APA (7th ed.) Citation

Gastil, R. D., & Cottam, R. W. (1981). Freedom in the world: Political rights and civil liberties 1981. Greenwood Press.

Chicago Style (17th ed.) Citation

Gastil, Raymond D., and Richard W. Cottam. Freedom in the World: Political Rights and Civil Liberties 1981. Westport, Conn.: Greenwood Press, 1981.

MLA (9th ed.) Citation

Gastil, Raymond D., and Richard W. Cottam. Freedom in the World: Political Rights and Civil Liberties 1981. Greenwood Press, 1981.