Cita APA (7a ed.)

Puddington, A., Repucci, S., Dunham, J., Nelson, B., & Roylance, T. (2017). Freedom in the world 2016: The annual survey of political rights and civil liberties. Freedom House ; Rowman & Littlefield.

Cita Chicago Style (17a ed.)

Puddington, Arch, Sarah Repucci, Jennifer Dunham, Bret Nelson, y Tyler Roylance. Freedom in the World 2016: The Annual Survey of Political Rights and Civil Liberties. New York, NY : Lanham, Maryland: Freedom House ; Rowman & Littlefield, 2017.

Cita MLA (8a ed.)

Puddington, Arch, et al. Freedom in the World 2016: The Annual Survey of Political Rights and Civil Liberties. Freedom House ; Rowman & Littlefield, 2017.