Cita APA (7a ed.)

Catholic Church. Pope (1878-1903 : Leo XIII), Leo XIII, P., & Treacy, G. C. (1945). Christian state or pagan chaos! Paulist Press.

Cita Chicago Style (17a ed.)

Catholic Church. Pope (1878-1903 : Leo XIII), Pope Leo XIII, y Gerald C. Treacy. Christian State or Pagan Chaos! New York: Paulist Press, 1945.

Cita MLA (8a ed.)

Catholic Church. Pope (1878-1903 : Leo XIII), et al. Christian State or Pagan Chaos! Paulist Press, 1945.