APA (7th ed.) Citation

Pius XII, P. (1957). Films, radio and television: Encyclical letter of Pope Pius XII, 1957. Catholic Truth Society of Ireland.

Chicago Style (17th ed.) Citation

Pius XII, Pope. Films, Radio and Television: Encyclical Letter of Pope Pius XII, 1957. Dublin: Catholic Truth Society of Ireland, 1957.

MLA (8th ed.) Citation

Pius XII, Pope. Films, Radio and Television: Encyclical Letter of Pope Pius XII, 1957. Catholic Truth Society of Ireland, 1957.