Cita APA (7a ed.)

Smith, P. G. (1998). Liberalism and affirmative obligation. Oxford University Press.

Cita Chicago Style (17a ed.)

Smith, Patricia G. Liberalism and Affirmative Obligation. New York: Oxford University Press, 1998.

Cita MLA (9a ed.)

Smith, Patricia G. Liberalism and Affirmative Obligation. Oxford University Press, 1998.