APA (7th ed.) Citation

Fey, H. E. (1970). A history of the ecumenical movement. SPCK.

Chicago Style (17th ed.) Citation

Fey, Harold E. A History of the Ecumenical Movement. London: SPCK, 1970.

MLA (9th ed.) Citation

Fey, Harold E. A History of the Ecumenical Movement. SPCK, 1970.