APA
Department of Health and Social Security, . (1970). Reports on Public Health and Medical Subjects No.71: The Bacteriological Examination of Water Supplies. London: H..M.S.O.
Chicago
Department of Health and Social Security, . 1970. Reports on Public Health and Medical Subjects No.71: The Bacteriological Examination of Water Supplies. London: H..M.S.O.
Harvard
Department of Health and Social Security, . (1970). Reports on Public Health and Medical Subjects No.71: The Bacteriological Examination of Water Supplies. London: H..M.S.O.
MLA
Department of Health and Social Security, . Reports on Public Health and Medical Subjects No.71: The Bacteriological Examination of Water Supplies. London: H..M.S.O. 1970.
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