O'Reilly, F. (2017). The Middle Ages and man's essential questions.
Cita Chicago Style (17a ed.)O'Reilly, Francisco. The Middle Ages and Man's Essential Questions. 2017.
Cita MLA (9a ed.)O'Reilly, Francisco. The Middle Ages and Man's Essential Questions. 2017.
Precaución: Estas citas no son 100% exactas.
