Cohen, F. S. (1940). Immigration and national welfare. League for Industrial Democracy.
Cita Chicago Style (17a ed.)Cohen, Felix S. Immigration and National Welfare. New York City: League for Industrial Democracy, 1940.
Cita MLA (8a ed.)Cohen, Felix S. Immigration and National Welfare. League for Industrial Democracy, 1940.
Precaución: Estas citas no son 100% exactas.