APA (7th ed.) Citation

(1986). International directory of ecumenical research centers and publications (Rev. ed.). Centro Pro Unione.

Chicago Style (17th ed.) Citation

International Directory of Ecumenical Research Centers and Publications. Rev. ed. Rome: Centro Pro Unione, 1986.

MLA (9th ed.) Citation

International Directory of Ecumenical Research Centers and Publications. Rev. ed. Centro Pro Unione, 1986.