Cita APA (7a ed.)

Nicholls, W. (1969). The Pelican Guide to Modern Theology. Penguin Books.

Cita Chicago Style (17a ed.)

Nicholls, William. The Pelican Guide to Modern Theology. London: Penguin Books, 1969.

Cita MLA (9a ed.)

Nicholls, William. The Pelican Guide to Modern Theology. Penguin Books, 1969.