Steel, C. (1994). Does evil have a cause?: Augustine's perplexity and Thomas's answer. The review of metaphysics, 48, 251-273.
Cita Chicago Style (17a ed.)Steel, Carlos. "Does Evil Have a Cause?: Augustine's Perplexity and Thomas's Answer." The Review of Metaphysics 48 (1994): 251-273.
Cita MLA (9a ed.)Steel, Carlos. "Does Evil Have a Cause?: Augustine's Perplexity and Thomas's Answer." The Review of Metaphysics, vol. 48, 1994, pp. 251-273.
Precaución: Estas citas no son 100% exactas.