APA
Pontifical Council for Social Communication, . (1989). Criteria for ecumenical and inter-religious cooperation in communications. Vatican City: Vatican Press.
Chicago
Pontifical Council for Social Communication, . 1989. Criteria for ecumenical and inter-religious cooperation in communications. Vatican City: Vatican Press.
Harvard
Pontifical Council for Social Communication, . (1989). Criteria for ecumenical and inter-religious cooperation in communications. Vatican City: Vatican Press.
MLA
Pontifical Council for Social Communication, . Criteria for ecumenical and inter-religious cooperation in communications. Vatican City: Vatican Press. 1989.