APA (7th ed.) Citation

Hill, A. B. (1961). Principles of medical statistics (7th ed., rev. 2nd enl.). The Lancet.

Chicago Style (17th ed.) Citation

Hill, Austin Bradford. Principles of Medical Statistics. 7th ed., rev. 2nd enl. London: The Lancet, 1961.

MLA (8th ed.) Citation

Hill, Austin Bradford. Principles of Medical Statistics. 7th ed., rev. 2nd enl. The Lancet, 1961.