Cita APA (7th ed.)

Arnold, C. E. (1992). Powers of darkness: A thoughtful, biblical look at an urgent challenge facing ... Inter-Varsity.

Cita Chicago (17th ed.)

Arnold, Clinton E. Powers of Darkness: A Thoughtful, Biblical Look at an Urgent Challenge Facing ... Leicester: Inter-Varsity, 1992.

Cita MLA (9th ed.)

Arnold, Clinton E. Powers of Darkness: A Thoughtful, Biblical Look at an Urgent Challenge Facing ... Inter-Varsity, 1992.

Atenció: Aquestes cites poden no estar 100% correctes.