Companion encyclopedia of the history of medicine

MLA

Bynum, W. F, and Roy Porter. Companion Encyclopedia of the History of Medicine. London: Routledge, 1993.

APA

Bynum, W. F, & Porter, R. (1993). Companion encyclopedia of the history of medicine. London: Routledge.

Chicago

Bynum, W. F. ed., and Roy Porter ed. Companion Encyclopedia of the History of Medicine. London: Routledge, 1993.