Cita APA (7a ed.)

Nielsen, J. A., & Delude, L. A. (1994). Pets as adjunct therapists in a residence for former psychiatric patients. [s.n.].

Cita Chicago Style (17a ed.)

Nielsen, Julia A., y Lloyd A. Delude. Pets as Adjunct Therapists in a Residence for Former Psychiatric Patients. [S.l.]: [s.n.], 1994.

Cita MLA (9a ed.)

Nielsen, Julia A., y Lloyd A. Delude. Pets as Adjunct Therapists in a Residence for Former Psychiatric Patients. [s.n.], 1994.