Systematic and philosophical theology.

MLA

Nicholls, William. Systematic and Philosophical Theology. Harmondsworth: Penguin books, 1969.

APA

Nicholls, W. (1969). Systematic and philosophical theology. Harmondsworth: Penguin books.

Chicago

Nicholls, William Systematic and Philosophical Theology. Harmondsworth: Penguin books, 1969.