APA (7th ed.) Citation

United States. Immigration and Naturalization Service. Gateway to citizenship (Rev. 1979.).

Chicago Style (17th ed.) Citation

United States. Immigration and Naturalization Service. Gateway to Citizenship. Rev. 1979.

MLA (9th ed.) Citation

United States. Immigration and Naturalization Service. Gateway to Citizenship. Rev. 1979.

Warning: These citations may not always be 100% accurate.