Cita APA

Karras, B., McKee, N., Regier, L., & Stone, S. (2011). Opioids for chronic noncancer pain in the elderly: An osteoarthritis case. College of Family Physicians of Canada.

Chicago Style Citation

Karras, Beverley, Nora McKee, Loren Regier, i Shannon Stone. Opioids for Chronic Noncancer Pain in the Elderly: An Osteoarthritis Case. College of Family Physicians of Canada, 2011.

Cita MLA

Karras, Beverley, Nora McKee, Loren Regier, i Shannon Stone. Opioids for Chronic Noncancer Pain in the Elderly: An Osteoarthritis Case. College of Family Physicians of Canada, 2011.