APA (7th ed.) Citation

Regastein, Q., & Ritchie, D. (1989). Sleep problems and solutions. Consumer Union.

Chicago Style (17th ed.) Citation

Regastein, Quentin, and David Ritchie. Sleep Problems and Solutions. New York: Consumer Union, 1989.

MLA (9th ed.) Citation

Regastein, Quentin, and David Ritchie. Sleep Problems and Solutions. Consumer Union, 1989.