APA (7th ed.) Citation

Vernon, P. E. (1956). The Measurement of Abilities (2nd ed.). University of London Pr..

Chicago Style (17th ed.) Citation

Vernon, Philip E. The Measurement of Abilities. 2nd ed. London: University of London Pr., 1956.

MLA (9th ed.) Citation

Vernon, Philip E. The Measurement of Abilities. 2nd ed. University of London Pr., 1956.