APA

Weatherall D. J., Ledingham J. G. G. & Warrell D. A. (1987). Oxford textbook of medicine. Oxford: Oxford University Press.

Chicago

Weatherall D J, Ledingham J G G and Warrell D A. 1987. Oxford textbook of medicine. Oxford: Oxford University Press.

Harvard

Weatherall D. J., Ledingham J. G. G. and Warrell D. A. (1987). Oxford textbook of medicine. Oxford: Oxford University Press.

MLA

Weatherall D J, Ledingham J G G and Warrell D A. Oxford textbook of medicine. Oxford: Oxford University Press. 1987.