Cita APA

Silving, H. (1948). Immigration laws of the United States ([Library ed.].). Oceana Publications.

Citación estilo Chicago

Silving, Helen. Immigration Laws of the United States. [Library ed.]. New York: Oceana Publications, 1948.

Cita MLA

Silving, Helen. Immigration Laws of the United States. [Library ed.]. Oceana Publications, 1948.