Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

Nicholls, William. Systematic and Philosophical Theology. Penguin, 1969.