Cita APA (7th ed.)

Gordon, J. S. (2008). Unstuck: Your guide to the seven-stage journey out of depression. Penguin Books.

Cita Chicago (17th ed.)

Gordon, James S. Unstuck: Your Guide to the Seven-stage Journey Out of Depression. London: Penguin Books, 2008.

Cita MLA (8th ed.)

Gordon, James S. Unstuck: Your Guide to the Seven-stage Journey Out of Depression. Penguin Books, 2008.