Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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