APA (7th ed.) Citation

Gunn, J. A. (1940). An introduction to pharmacology and therapeutics (6th ed.). Oxford University Press, Humphrey Milford.

Chicago Style (17th ed.) Citation

Gunn, J. A. An Introduction to Pharmacology and Therapeutics. 6th ed. London: Oxford University Press, Humphrey Milford, 1940.

MLA (8th ed.) Citation

Gunn, J. A. An Introduction to Pharmacology and Therapeutics. 6th ed. Oxford University Press, Humphrey Milford, 1940.