APA
Tavard G. H., . (1962). Two centuries of ecumenism : the search for unity. New York: A Mentor-Omega Book.
Chicago
Tavard George H, . 1962. Two centuries of ecumenism : the search for unity. New York: A Mentor-Omega Book.
Harvard
Tavard G. H., . (1962). Two centuries of ecumenism : the search for unity. New York: A Mentor-Omega Book.
MLA
Tavard George H, . Two centuries of ecumenism : the search for unity. New York: A Mentor-Omega Book. 1962.
