APA
Barclay A, . (1937). Pure chemistry :A brief outline of its history and development. Her majesty's stationery office, London: .
Chicago
Barclay A, . 1937. Pure chemistry :A brief outline of its history and development. Her majesty's stationery office, London: .
Harvard
Barclay A, . (1937). Pure chemistry :A brief outline of its history and development. Her majesty's stationery office, London: .
MLA
Barclay A, . Pure chemistry :A brief outline of its history and development. Her majesty's stationery office, London: . 1937.