Hammond, P. W., & Egan, H. (1992). Weighed in the balance : a history of the Laboratory of the Government Chemist / P.W. Hammond and Harold Egan: A history of the Laboratory of the Government Chemist. H.M.S.O..
Chicago Style (17th ed.) CitationHammond, P. W., and H. Egan. Weighed in the Balance : A History of the Laboratory of the Government Chemist / P.W. Hammond and Harold Egan: A History of the Laboratory of the Government Chemist. London: H.M.S.O., 1992.
MLA (9th ed.) CitationHammond, P. W., and H. Egan. Weighed in the Balance : A History of the Laboratory of the Government Chemist / P.W. Hammond and Harold Egan: A History of the Laboratory of the Government Chemist. H.M.S.O., 1992.
Warning: These citations may not always be 100% accurate.