Cita APA (7a ed.)

Carroll, M. G., & Albaret, P. d. L. (1974). Three studies in simplicity: Padre Pio, Martin de Porres, Benedict the Black. Franciscan Herald Press.

Cita Chicago Style (17a ed.)

Carroll, Malachy Gerard, y Pol de Léon Albaret. Three Studies in Simplicity: Padre Pio, Martin De Porres, Benedict the Black. Chicago: Franciscan Herald Press, 1974.

Cita MLA (8a ed.)

Carroll, Malachy Gerard, y Pol de Léon Albaret. Three Studies in Simplicity: Padre Pio, Martin De Porres, Benedict the Black. Franciscan Herald Press, 1974.