Cita APA (7a ed.)

Viehl, E. J. (1999). Pet therapy and life satisfaction in elders. University Microfilms International.

Cita Chicago Style (17a ed.)

Viehl, Elizabeth Jude. Pet Therapy and Life Satisfaction in Elders. Ann Arbor: University Microfilms International, 1999.

Cita MLA (9a ed.)

Viehl, Elizabeth Jude. Pet Therapy and Life Satisfaction in Elders. University Microfilms International, 1999.