Cita APA (7a ed.)

Catholic Church. Pope (1939-1958 : Pius XII), Pius XII, P., & Sheehan, S. G. (1948). Encyclical letter of his holiness Pius XII on the sacred liturgy. National Catholic Welfare Conference.

Cita Chicago Style (17a ed.)

Catholic Church. Pope (1939-1958 : Pius XII), Pope Pius XII, y Shawn G. Sheehan. Encyclical Letter of His Holiness Pius XII on the Sacred Liturgy. Washington, D.C.: National Catholic Welfare Conference, 1948.

Cita MLA (8a ed.)

Catholic Church. Pope (1939-1958 : Pius XII), et al. Encyclical Letter of His Holiness Pius XII on the Sacred Liturgy. National Catholic Welfare Conference, 1948.