APA
(1969). The Teaching of Pope Paul VI. [Vaticano]: Libreria Editrice Vaticana.
Chicago
1969. The Teaching of Pope Paul VI. [Vaticano]: Libreria Editrice Vaticana.
Harvard
(1969). The Teaching of Pope Paul VI. [Vaticano]: Libreria Editrice Vaticana.
MLA
The Teaching of Pope Paul VI. [Vaticano]: Libreria Editrice Vaticana. 1969.
