Cita APA (7a ed.)
(1922). Child Welfare. Child Welfare League of America.
Cita Chicago Style (17a ed.)
Child Welfare. Washington DC: Child Welfare League of America, 1922.
Cita MLA (9a ed.)
Child Welfare. Child Welfare League of America, 1922.
Precaución: Estas citas no son 100% exactas.