APA aipamena

Ullmann, W. (1948). The origins of the Great Schism: A study in fourteenth-century ecclesiastical history. Archon Books.

Chicago Style aipamena

Ullmann, Walter. The Origins of the Great Schism: A Study in Fourteenth-century Ecclesiastical History. [Hamden, Conn.]: Archon Books, 1948.

MLA aipamena

Ullmann, Walter. The Origins of the Great Schism: A Study in Fourteenth-century Ecclesiastical History. Archon Books, 1948.