APA
Hick J., . (1968). Christianity at the centre. London: SCM Press Ltd.
Chicago
Hick John, . 1968. Christianity at the centre. London: SCM Press Ltd.
Harvard
Hick J., . (1968). Christianity at the centre. London: SCM Press Ltd.
MLA
Hick John, . Christianity at the centre. London: SCM Press Ltd. 1968.