APA (7th ed.) Citation

Wellings, A. W. (1962). B.D.H. Adsorption Indicators (2nd ed.). The British Drug Houses Ltd..

Chicago Style (17th ed.) Citation

Wellings, A. W. B.D.H. Adsorption Indicators. 2nd ed. Poole, Dorset: The British Drug Houses Ltd., 1962.

MLA (9th ed.) Citation

Wellings, A. W. B.D.H. Adsorption Indicators. 2nd ed. The British Drug Houses Ltd., 1962.