Cita APA (7a ed.)
Treacy, G. C. Liberty Man's Greates Gift: A Popularized Edition of the Encyclical Libertas Humana, on Human Liberty, by Pope Leo XIII. The Paulist Press.
Cita estilo Chicago (17a ed.)
Treacy, Gerald C. Liberty Man's Greates Gift: A Popularized Edition of the Encyclical Libertas Humana, on Human Liberty, by Pope Leo XIII. Nueva York, EUA: The Paulist Press.
Cita MLA (9a ed.)
Treacy, Gerald C. Liberty Man's Greates Gift: A Popularized Edition of the Encyclical Libertas Humana, on Human Liberty, by Pope Leo XIII. The Paulist Press.
Precaución: Estas citas no son 100% exactas.