Cita APA (7a ed.)

Vernon, P. E. (1940). The measurement of abilities. University of London Press.

Cita Chicago Style (17a ed.)

Vernon, Philip E. The Measurement of Abilities. London: University of London Press, 1940.

Cita MLA (8a ed.)

Vernon, Philip E. The Measurement of Abilities. University of London Press, 1940.