Cita APA (7a ed.)
Pieper, J. The End of Time: A Meditation on the Philosophy of History. Pantheon Books.
Cita estilo Chicago (17a ed.)
Pieper, Josef. The End of Time: A Meditation on the Philosophy of History. Nueva York, EUA: Pantheon Books.
Cita MLA (9a ed.)
Pieper, Josef. The End of Time: A Meditation on the Philosophy of History. Pantheon Books.
Precaución: Estas citas no son 100% exactas.