APA (7th ed.) Citation

G. K. Wilcock, J. A. Muir Gray, & J. M. Longmore. (1991). Geriatric problems in general practice. Oxford University Press.

Chicago Style (17th ed.) Citation

G. K. Wilcock, J. A. Muir Gray, and J. M. Longmore. Geriatric Problems in General Practice. Oxford: Oxford University Press, 1991.

MLA (9th ed.) Citation

G. K. Wilcock, et al. Geriatric Problems in General Practice. Oxford University Press, 1991.