Cita APA (7a ed.)

Catholic Church. Pope (1939-1958 : Pius XII) & Ellard, G. (1961). On the sacred liturgy: Encyclical letter, Mediator Dei (Nov. 20, 1947) of Pope Pius XII (Enl. and rev. ed.). America Press.

Cita Chicago Style (17a ed.)

Catholic Church. Pope (1939-1958 : Pius XII) y Gerald Ellard. On the Sacred Liturgy: Encyclical Letter, Mediator Dei (Nov. 20, 1947) of Pope Pius XII. Enl. and rev. ed. New York: America Press, 1961.

Cita MLA (8a ed.)

Catholic Church. Pope (1939-1958 : Pius XII) y Gerald Ellard. On the Sacred Liturgy: Encyclical Letter, Mediator Dei (Nov. 20, 1947) of Pope Pius XII. Enl. and rev. ed. America Press, 1961.