Cita APA (7a ed.)

Ornstein, R. E., & Sobel, D. S. (1989). Healthy pleasures. Addison-Wesley.

Cita Chicago Style (17a ed.)

Ornstein, Robert E., y David S. Sobel. Healthy Pleasures. Reading, Massachusetts: Addison-Wesley, 1989.

Cita MLA (9a ed.)

Ornstein, Robert E., y David S. Sobel. Healthy Pleasures. Addison-Wesley, 1989.