Pius XI, P., & Treacy, G. C. (1944). Love undying: A simplified edition of the encyclical Casti Connubii, on Christian marriage, by Pope Pius XI. Paulist Press.
Citação do estilo Chicago (17ª ed.)Pius XI, Pope, e Gerald C. Treacy. Love Undying: A Simplified Edition of the Encyclical Casti Connubii, on Christian Marriage, by Pope Pius XI. New York, N.Y.: Paulist Press, 1944.
Citação MLA (8ª ed.)Pius XI, Pope, e Gerald C. Treacy. Love Undying: A Simplified Edition of the Encyclical Casti Connubii, on Christian Marriage, by Pope Pius XI. Paulist Press, 1944.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.