APA Style

Flllit, H, M., Rockwood, K. (2017). Brocklehurst's Textbook of Geriatric Medicine and Gerontology (8th). Philadelphia: Elsevier.

MLA Style

Flllit, Howard, M.., Rockwood, Kenneth. "Brocklehurst's Textbook of Geriatric Medicine and Gerontology". 8th Philadelphia: Elsevier, 2017. Text.