APA-viite (7. p.)

Schrag, A., Hovris, A., Morley, D., Quinn, N., & Jahanshahi, M. (2006). Caregiver-burden in parkinson's disease is closely associated with psychiatric symptoms, falls, and disability.

Chicago-viite (17. p.)

Schrag, A., A. Hovris, D. Morley, N. Quinn, ja M. Jahanshahi. Caregiver-burden in Parkinson's Disease Is Closely Associated with Psychiatric Symptoms, Falls, and Disability. 2006.

MLA-viite (9. p.)

Schrag, A., et al. Caregiver-burden in Parkinson's Disease Is Closely Associated with Psychiatric Symptoms, Falls, and Disability. 2006.