APA

Simon U. E., . (1948). Theology of crisis. London: S.P.C.K.

Chicago

Simon Ulrich E, . 1948. Theology of crisis. London: S.P.C.K.

Harvard

Simon U. E., . (1948). Theology of crisis. London: S.P.C.K.

MLA

Simon Ulrich E, . Theology of crisis. London: S.P.C.K. 1948.