Treacy, G. C. P. X. (1948). Mediator Dei. Encyclical letter of Pope Pius XII on the sacred liturgy. New York.
Chicago Style (17th ed.) CitationTreacy, Gerald C.; Pius XII. Mediator Dei. Encyclical Letter of Pope Pius XII on the Sacred Liturgy. New York, 1948.
MLA (8th ed.) CitationTreacy, Gerald C.; Pius XII. Mediator Dei. Encyclical Letter of Pope Pius XII on the Sacred Liturgy. New York, 1948.
Warning: These citations may not always be 100% accurate.