APA

Wei J. Y., Sheehan M. N., . (1997). Geriatric medicine : a case-based manual. Oxford; New York: Oxford University Press.

Chicago

Wei Jeanne Y, Sheehan Myles N, . 1997. Geriatric medicine : a case-based manual. Oxford; New York: Oxford University Press.

Harvard

Wei J. Y., Sheehan M. N., . (1997). Geriatric medicine : a case-based manual. Oxford; New York: Oxford University Press.

MLA

Wei Jeanne Y, Sheehan Myles N, . Geriatric medicine : a case-based manual. Oxford; New York: Oxford University Press. 1997.