Cita APA (7th ed.)

Hughes, P. (1961). The church in crisis. A history of the general councils 325-1870. Image Books.

Cita Chicago (17th ed.)

Hughes, Philip. The Church in Crisis. A History of the General Councils 325-1870. Nueva York: Image Books, 1961.

Cita MLA (9th ed.)

Hughes, Philip. The Church in Crisis. A History of the General Councils 325-1870. Image Books, 1961.