Cita APA (7a ed.)

Baum, B. D., & Nichols, R. (2013). Isaiah Berlin and the politics of freedom: "Two concepts of liberty" 50 years later. Routledge.

Cita Chicago Style (17a ed.)

Baum, Bruce David, y Robert Nichols. Isaiah Berlin and the Politics of Freedom: "Two Concepts of Liberty" 50 Years Later. New York: Routledge, 2013.

Cita MLA (9a ed.)

Baum, Bruce David, y Robert Nichols. Isaiah Berlin and the Politics of Freedom: "Two Concepts of Liberty" 50 Years Later. Routledge, 2013.