APA
[John Paul II P., . (2003). On the Eucharist in its relationship to the Church = Ecclesia de Eucharistia : encyclical letter of Pope John Paul II to the bishops, priests and deacons, men and women in the consecrated life and all the lay faithful. Boston: Pauline Books & Media.
Chicago
[John Paul II Pope], . 2003. On the Eucharist in its relationship to the Church = Ecclesia de Eucharistia : encyclical letter of Pope John Paul II to the bishops, priests and deacons, men and women in the consecrated life and all the lay faithful. Boston: Pauline Books & Media.
Harvard
[John Paul II P., . (2003). On the Eucharist in its relationship to the Church = Ecclesia de Eucharistia : encyclical letter of Pope John Paul II to the bishops, priests and deacons, men and women in the consecrated life and all the lay faithful. Boston: Pauline Books & Media.
MLA
[John Paul II Pope], . On the Eucharist in its relationship to the Church = Ecclesia de Eucharistia : encyclical letter of Pope John Paul II to the bishops, priests and deacons, men and women in the consecrated life and all the lay faithful. Boston: Pauline Books & Media. 2003.