APA
British Pharmacopoeia Commission, . (1999). British pharmacopoeia 1999 (vol-2): incorporating the requirement of the 3rd edition european pharmacopoeia 1997 as amended by supplement 1999. London: Stationery Office.
Chicago
British Pharmacopoeia Commission, . 1999. British pharmacopoeia 1999 (vol-2): incorporating the requirement of the 3rd edition european pharmacopoeia 1997 as amended by supplement 1999. London: Stationery Office.
Harvard
British Pharmacopoeia Commission, . (1999). British pharmacopoeia 1999 (vol-2): incorporating the requirement of the 3rd edition european pharmacopoeia 1997 as amended by supplement 1999. London: Stationery Office.
MLA
British Pharmacopoeia Commission, . British pharmacopoeia 1999 (vol-2): incorporating the requirement of the 3rd edition european pharmacopoeia 1997 as amended by supplement 1999. London: Stationery Office. 1999.