Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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