Não informado. (1876). American journal of mental deficiency. American Association on Mental Deficiency.
Chicago (17e ed.) BronvermeldingNão informado. American Journal of Mental Deficiency. Washington: American Association on Mental Deficiency, 1876.
MLA (8e ed.) BronvermeldingNão informado. American Journal of Mental Deficiency. American Association on Mental Deficiency, 1876.
Let op: Deze citaties zijn niet altijd 100% accuraat.