Cita APA (7a ed.)

Narfon, J. d., & Raper, G. A. (1899). Pope Leo XIII: His life and work. Chapman and Hall Ld..

Cita Chicago Style (17a ed.)

Narfon, Julien de, y G. A. Raper. Pope Leo XIII: His Life and Work. London: Chapman and Hall Ld., 1899.

Cita MLA (8a ed.)

Narfon, Julien de, y G. A. Raper. Pope Leo XIII: His Life and Work. Chapman and Hall Ld., 1899.