Cita APA (7a ed.)

Gastil, R. D., & Huntington, S. P. (1985). Freedom in the world: Political rights and civil liberties, 1984-1985. Greenwood Press.

Cita Chicago Style (17a ed.)

Gastil, Raymond D., y Samuel P. Huntington. Freedom in the World: Political Rights and Civil Liberties, 1984-1985. Westport, Conn.: Greenwood Press, 1985.

Cita MLA (8a ed.)

Gastil, Raymond D., y Samuel P. Huntington. Freedom in the World: Political Rights and Civil Liberties, 1984-1985. Greenwood Press, 1985.