APA (7th ed.) Citation

Puddington, A., Piano, A., Dunham, J., Nelson, B., Roylance, T., & Young, E. (2013). Freedom in the world 2012: The annual survey of political rights & civil liberties. Freedom House.

Chicago Style (17th ed.) Citation

Puddington, Arch, Aili Piano, Jennifer Dunham, Bret Nelson, Tyler Roylance, and Eliza Young. Freedom in the World 2012: The Annual Survey of Political Rights & Civil Liberties. New York: Freedom House, 2013.

MLA (9th ed.) Citation

Puddington, Arch, et al. Freedom in the World 2012: The Annual Survey of Political Rights & Civil Liberties. Freedom House, 2013.