Cita APA

Hazzard, W. R. 1., & Halter, J. B. (2009). Hazzard's geriatric medicine and gerontology (6. edition.). New York: McGraw-Hill.

Citación estilo Chicago

Hazzard, William R. 1936-, y Jeffrey B. Halter. Hazzard's Geriatric Medicine and Gerontology. 6. edition. New York: McGraw-Hill, 2009.

Cita MLA

Hazzard, William R. 1936-, y Jeffrey B. Halter. Hazzard's Geriatric Medicine and Gerontology. 6. edition. New York: McGraw-Hill, 2009.