APA (7th ed.) Citation

United States. Immigration and Naturalization Service. (1945). Citizenship USA, Naturalization requirements and procedure, a brief summary. [s.n.].

Chicago Style (17th ed.) Citation

United States. Immigration and Naturalization Service. Citizenship USA, Naturalization Requirements and Procedure, a Brief Summary. [Washington]: [s.n.], 1945.

MLA (9th ed.) Citation

United States. Immigration and Naturalization Service. Citizenship USA, Naturalization Requirements and Procedure, a Brief Summary. [s.n.], 1945.