APA

Overbeck F., Henry M. & Tracy D. (2005). How christian is our present-day theology?. London: T & T Clark international.

Chicago

Overbeck Franz, Henry Martin and Tracy David. 2005. How christian is our present-day theology?. London: T & T Clark international.

Harvard

Overbeck F., Henry M. and Tracy D. (2005). How christian is our present-day theology?. London: T & T Clark international.

MLA

Overbeck Franz, Henry Martin and Tracy David. How christian is our present-day theology?. London: T & T Clark international. 2005.