Citazione Stile APA (7a Edizione)

Vernon, P. (1960). Intellegence and Attainment Test. University of London.

Citazione stile Chigago Style (17a edizione)

Vernon, P.E. Intellegence and Attainment Test. London: University of London, 1960.

Citatione MLA (9a ed.)

Vernon, P.E. Intellegence and Attainment Test. University of London, 1960.