APA (7th ed.) Citation

Hazzard, W. R. (1990). Principles of geriatric medicine and gerontology (2nd ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Hazzard, William R. Principles of Geriatric Medicine and Gerontology. 2nd ed. New York: McGraw-Hill, 1990.

MLA (9th ed.) Citation

Hazzard, William R. Principles of Geriatric Medicine and Gerontology. 2nd ed. McGraw-Hill, 1990.