Cita APA (7a ed.)

Barker, S. B., & Dawson, K. S. (1998). The effects of animal-assissted therapy on anxiety ratings of hospitalized psychiatric patients. [s.n.].

Cita Chicago Style (17a ed.)

Barker, Sandra B., y Kathryn S. Dawson. The Effects of Animal-assissted Therapy on Anxiety Ratings of Hospitalized Psychiatric Patients. [S.l.]: [s.n.], 1998.

Cita MLA (9a ed.)

Barker, Sandra B., y Kathryn S. Dawson. The Effects of Animal-assissted Therapy on Anxiety Ratings of Hospitalized Psychiatric Patients. [s.n.], 1998.