APA (7th ed.) Citation

Davies, P. H. O. (1981). The actions and uses of ophthalmic drugs: A textbook for students and practitioners (2nd ed.). Butterworths.

Chicago Style (17th ed.) Citation

Davies, P. H. O'Connor. The Actions and Uses of Ophthalmic Drugs: A Textbook for Students and Practitioners. 2nd ed. London: Butterworths, 1981.

MLA (9th ed.) Citation

Davies, P. H. O'Connor. The Actions and Uses of Ophthalmic Drugs: A Textbook for Students and Practitioners. 2nd ed. Butterworths, 1981.