APA (7th ed.) Citation

Barker, P. J. (1993). A self-help guide to managing depression. Chapman & Hall.

Chicago Style (17th ed.) Citation

Barker, Philip J. A Self-help Guide to Managing Depression. London, England ; New York, N.Y.: Chapman & Hall, 1993.

MLA (8th ed.) Citation

Barker, Philip J. A Self-help Guide to Managing Depression. Chapman & Hall, 1993.