APA (7th ed.) Citation

Powell, D. H. (1986). Teenagers: When to worry and what to do. Doubleday.

Chicago Style (17th ed.) Citation

Powell, Douglas H. Teenagers: When to Worry and What to Do. Garden City, NY: Doubleday, 1986.

MLA (8th ed.) Citation

Powell, Douglas H. Teenagers: When to Worry and What to Do. Doubleday, 1986.