Gaya APA

II, J, P. (1998). Encyclical letter Fides et Ratio of the Supreme Pontiff John Paul II to the bishops of the Catholic Church on the relationship between faith and reason. . Vatican City: Vatican City Libreria Editrice Vaticana.

Gaya MLA

II, Joannes, Paulus. "Encyclical letter Fides et Ratio of the Supreme Pontiff John Paul II to the bishops of the Catholic Church on the relationship between faith and reason. ". Vatican City: Vatican City Libreria Editrice Vaticana, 1998. Buku.