Cita APA (7a ed.)

Callahan, D. (1962). Christianity divided: Protestant and Roman Catholic theological issues. Sheed and Ward.

Cita Chicago Style (17a ed.)

Callahan, Daniel. Christianity Divided: Protestant and Roman Catholic Theological Issues. London: Sheed and Ward, 1962.

Cita MLA (9a ed.)

Callahan, Daniel. Christianity Divided: Protestant and Roman Catholic Theological Issues. Sheed and Ward, 1962.