Charity Organization Society of the City of New York & Welfare Council of New York City. Directory of social agencies of the City of New York. Columbia University Press [etc.].
Citação norma ChicagoCharity Organization Society of the City of New York and Welfare Council of New York City. Directory of Social Agencies of the City of New York. New York: Columbia University Press [etc.].
Citação norma MLACharity Organization Society of the City of New York and Welfare Council of New York City. Directory of Social Agencies of the City of New York. Columbia University Press [etc.].
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.