APA
International Congress of Jesuit Ecumenists, Secretariat for Interreligious Dialogue, . (2005). Christiam ecumenism : 40 years after "Unitatis redintegratio". The 18th International Congress of Jesuit Ecumenists. Roma: Scuola Tipografico S. Pio X.
Chicago
International Congress of Jesuit Ecumenists, Secretariat for Interreligious Dialogue, . 2005. Christiam ecumenism : 40 years after "Unitatis redintegratio". The 18th International Congress of Jesuit Ecumenists. Roma: Scuola Tipografico S. Pio X.
Harvard
International Congress of Jesuit Ecumenists, Secretariat for Interreligious Dialogue, . (2005). Christiam ecumenism : 40 years after "Unitatis redintegratio". The 18th International Congress of Jesuit Ecumenists. Roma: Scuola Tipografico S. Pio X.
MLA
International Congress of Jesuit Ecumenists, Secretariat for Interreligious Dialogue, . Christiam ecumenism : 40 years after "Unitatis redintegratio". The 18th International Congress of Jesuit Ecumenists. Roma: Scuola Tipografico S. Pio X. 2005.
