Cita APA (7a ed.)

Tavard, G. H. (1960). Two centuries of ecumenism. Greenwood Press.

Cita Chicago Style (17a ed.)

Tavard, George H. Two Centuries of Ecumenism. Westport: Greenwood Press, 1960.

Cita MLA (9a ed.)

Tavard, George H. Two Centuries of Ecumenism. Greenwood Press, 1960.