Cita APA (7a ed.)
Selbourne, D. (2000). The principle of duty: An essay on the foundations of the civic order. University of Notre Dame Press.
Cita Chicago Style (17a ed.)
Selbourne, David. The Principle of Duty: An Essay on the Foundations of the Civic Order. Notre Dame, Ind.: University of Notre Dame Press, 2000.
Cita MLA (9a ed.)
Selbourne, David. The Principle of Duty: An Essay on the Foundations of the Civic Order. University of Notre Dame Press, 2000.
Precaución: Estas citas no son 100% exactas.