APA (7th ed.) Citation

Morley, R., & Morley, M. (1981). Worry!: How to kick the serenity habit in 98 easy steps. Putnam.

Chicago Style (17th ed.) Citation

Morley, Robert, and Margaret Morley. Worry!: How to Kick the Serenity Habit in 98 Easy Steps. New York, N.Y.: Putnam, 1981.

MLA (9th ed.) Citation

Morley, Robert, and Margaret Morley. Worry!: How to Kick the Serenity Habit in 98 Easy Steps. Putnam, 1981.