APA (7th ed.) Citation

Allen, C. (1965). Modern discoveries in medical psychology (Rev. ed.). Pan Books.

Chicago Style (17th ed.) Citation

Allen, Clifford. Modern Discoveries in Medical Psychology. Rev. ed. London: Pan Books, 1965.

MLA (9th ed.) Citation

Allen, Clifford. Modern Discoveries in Medical Psychology. Rev. ed. Pan Books, 1965.