APA
Nicholls W., . (1969). Systematic and philsophical theology. Harmondsworth: Penguin Books.
Chicago
Nicholls William, . 1969. Systematic and philsophical theology. Harmondsworth: Penguin Books.
Harvard
Nicholls W., . (1969). Systematic and philsophical theology. Harmondsworth: Penguin Books.
MLA
Nicholls William, . Systematic and philsophical theology. Harmondsworth: Penguin Books. 1969.
