Cita APA (7a ed.)

Sperry, L. (1992). Psychiatric case formulations. American Psychiatric Association.

Cita Chicago Style (17a ed.)

Sperry, Len. Psychiatric Case Formulations. Washington: American Psychiatric Association, 1992.

Cita MLA (9a ed.)

Sperry, Len. Psychiatric Case Formulations. American Psychiatric Association, 1992.