Cita APA (7a ed.)
World Congress of Families. The natural family. Howard Center for Family, Religion & Society.
Cita Chicago Style (17a ed.)
World Congress of Families. The Natural Family. Rockford, IL: Howard Center for Family, Religion & Society.
Cita MLA (9a ed.)
World Congress of Families. The Natural Family. Howard Center for Family, Religion & Society.
Precaución: Estas citas no son 100% exactas.