Cita APA (7th ed.)

Moore, T. (2004). Dark nights of the soul: A guide to finding your way through life's ordeals. Gotham Books.

Cita Chicago (17th ed.)

Moore, Thomas. Dark Nights of the Soul: A Guide to Finding Your Way Through Life's Ordeals. New York: Gotham Books, 2004.

Cita MLA (9th ed.)

Moore, Thomas. Dark Nights of the Soul: A Guide to Finding Your Way Through Life's Ordeals. Gotham Books, 2004.