APA (7e ed.) Bronvermelding

Não informado. (1967). Journal of geriatric psychiatry. International Universities Press.

Chicago (17e ed.) Bronvermelding

Não informado. Journal of Geriatric Psychiatry. Madison, Wis: International Universities Press, 1967.

MLA (8e ed.) Bronvermelding

Não informado. Journal of Geriatric Psychiatry. International Universities Press, 1967.

Let op: Deze citaties zijn niet altijd 100% accuraat.