Citazione Stile APA (7a Edizione)

(1939). I was in prison: Letters from German pastor. Student Christian Movement Press.

Citazione stile Chigago Style (17a edizione)

I Was in Prison: Letters from German Pastor. London: Student Christian Movement Press, 1939.

Citatione MLA (8a ed.)

I Was in Prison: Letters from German Pastor. Student Christian Movement Press, 1939.