Gaya APA

Kung, H., (tr), C, H. (1963). That the world may believe Letters to young people (damit die welt glaube) . : sheed&ward.

Gaya MLA

Kung, Hans., (tr), Cecily, Hastings. "That the world may believe Letters to young people (damit die welt glaube)". : sheed&ward, 1963. Text.