APA
P. M. Hopkins, . (2002). British Journal of Anaesthesia. London: Oxford University Press.
Chicago
P. M. Hopkins, . 2002. British Journal of Anaesthesia. London: Oxford University Press.
Harvard
P. M. Hopkins, . (2002). British Journal of Anaesthesia. London: Oxford University Press.
MLA
P. M. Hopkins, . British Journal of Anaesthesia. London: Oxford University Press. 2002.