APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Simon, Ulrich Ernst. Theology of Crisis. London: S.P.C.K, 1948.

MLA (9th ed.) Citation

Simon, Ulrich Ernst. Theology of Crisis. S.P.C.K, 1948.