Cita APA (7a ed.)

O'Grady, J. (1989). The Prince of Darkness: The devil in history, religion and the human psyche. Element Books.

Cita Chicago Style (17a ed.)

O'Grady, Joan. The Prince of Darkness: The Devil in History, Religion and the Human Psyche. Longmead: Element Books, 1989.

Cita MLA (9a ed.)

O'Grady, Joan. The Prince of Darkness: The Devil in History, Religion and the Human Psyche. Element Books, 1989.