Cita APA (7a ed.)
National Council on Family Relations. (1980). Family relations. National Council on Family Relations.
Cita Chicago Style (17a ed.)
National Council on Family Relations. Family Relations. Minneapolis, Minn.: National Council on Family Relations, 1980.
Cita MLA (9a ed.)
National Council on Family Relations. Family Relations. National Council on Family Relations, 1980.
Precaución: Estas citas no son 100% exactas.