APA (7th ed.) Zitazioa

Erny, P. (1968). Childhood and cosmos: The social psychology of the black african child. new perspective.

Chicago Style (17th ed.) Zitazioa

Erny, Pierre. Childhood and Cosmos: The Social Psychology of the Black African Child. New York: new perspective, 1968.

MLA (9th ed.) Zitazioa

Erny, Pierre. Childhood and Cosmos: The Social Psychology of the Black African Child. new perspective, 1968.