Catholic Church. Pope (1878-1903 : Leo XIII), Leo XIII, P., & Treacy, G. C. (1945). Christian state or pagan chaos! Paulist Press.
Chicago-viite (17. p.)Catholic Church. Pope (1878-1903 : Leo XIII), Pope Leo XIII, ja Gerald C. Treacy. Christian State or Pagan Chaos! New York: Paulist Press, 1945.
MLA-viite (8. p.)Catholic Church. Pope (1878-1903 : Leo XIII), et al. Christian State or Pagan Chaos! Paulist Press, 1945.
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