APA
British Medical Association, . (2009). British national formulary 58. BMJ, London: .
Chicago
British Medical Association, . 2009. British national formulary 58. BMJ, London: .
Harvard
British Medical Association, . (2009). British national formulary 58. BMJ, London: .
MLA
British Medical Association, . British national formulary 58. BMJ, London: . 2009.