APA (7th ed.) Citation

British Drug Houses, Ltd., London. (1946). The B.D.H. book of organic reagents for analytical use (9th and enl. ed.). The British Drug Houses Ltd..

Chicago Style (17th ed.) Citation

British Drug Houses, Ltd., London. The B.D.H. Book of Organic Reagents for Analytical Use. 9th and enl. ed. London: The British Drug Houses Ltd., 1946.

MLA (9th ed.) Citation

British Drug Houses, Ltd., London. The B.D.H. Book of Organic Reagents for Analytical Use. 9th and enl. ed. The British Drug Houses Ltd., 1946.