APA
Sumner E. D., . (1983). Handbook of geriatric drug therapy for health care professionals. Lea & Febiger, Philadelphia: .
Chicago
Sumner Edward D, . 1983. Handbook of geriatric drug therapy for health care professionals. Lea & Febiger, Philadelphia: .
Harvard
Sumner E. D., . (1983). Handbook of geriatric drug therapy for health care professionals. Lea & Febiger, Philadelphia: .
MLA
Sumner Edward D, . Handbook of geriatric drug therapy for health care professionals. Lea & Febiger, Philadelphia: . 1983.