Cita APA (7a ed.)

Pieper, J., & Bullock, M. (1999). The end of time: A meditation on the philosophy of history. Ignatius Press.

Cita Chicago Style (17a ed.)

Pieper, Josef, y Michael Bullock. The End of Time: A Meditation on the Philosophy of History. San Francisco: Ignatius Press, 1999.

Cita MLA (9a ed.)

Pieper, Josef, y Michael Bullock. The End of Time: A Meditation on the Philosophy of History. Ignatius Press, 1999.