Cita APA (7th ed.)
Ricciardi, A. (1982). St. Maximilian Kolbe: Apostle of our difficult age. Pauline.
Cita Chicago (17th ed.)
Ricciardi, Antonio. St. Maximilian Kolbe: Apostle of Our Difficult Age. Boston: Pauline, 1982.
Cita MLA (9th ed.)
Ricciardi, Antonio. St. Maximilian Kolbe: Apostle of Our Difficult Age. Pauline, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.