Παραπομπή σε μορφή APA (7η εκδ.)

Thomson, M. (1998). The problem of mental deficiency: Eugenics, democracy, and social policy in Britain c.1870-1959. Oxford University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Thomson, Mathew. The Problem of Mental Deficiency: Eugenics, Democracy, and Social Policy in Britain C.1870-1959. Oxford: Oxford University Press, 1998.

Παραπομπή σε μορφή MLA (9th εκδ.)

Thomson, Mathew. The Problem of Mental Deficiency: Eugenics, Democracy, and Social Policy in Britain C.1870-1959. Oxford University Press, 1998.