Cita APA (7a ed.)

Oxnam, G. B. (1951). On this rock: An appeal for Christian unity. Harper & Brothers.

Cita Chicago Style (17a ed.)

Oxnam, G. Bromley. On This Rock: An Appeal for Christian Unity. New York: Harper & Brothers, 1951.

Cita MLA (9a ed.)

Oxnam, G. Bromley. On This Rock: An Appeal for Christian Unity. Harper & Brothers, 1951.