Cita APA

Robertson, E. H. (1995). Unshakeable friend: George Bell and the German churches. CCBI Inter-Church House.

Citación estilo Chicago

Robertson, Edwin Hanton. Unshakeable Friend: George Bell and the German Churches. London: CCBI Inter-Church House, 1995.

Cita MLA

Robertson, Edwin Hanton. Unshakeable Friend: George Bell and the German Churches. CCBI Inter-Church House, 1995.