Cita APA

Estados Unidos Immigration and Naturalization Service. (1991). An immigrant nation: United States regulation of immigration, 1798-1991. [Lugar de publicación no identificado]: [editor no identificado].

Citación estilo Chicago

Estados Unidos Immigration and Naturalization Service. An Immigrant Nation: United States Regulation of Immigration, 1798-1991. [Lugar de publicación no identificado]: [editor no identificado], 1991.

Cita MLA

Estados Unidos Immigration and Naturalization Service. An Immigrant Nation: United States Regulation of Immigration, 1798-1991. [Lugar de publicación no identificado]: [editor no identificado], 1991.