United States. Social Security Administration. Lawfully admitted aliens: When you need a social security number and when you don't. Social Security Administration.
Chicago Style (17th ed.) CitationUnited States. Social Security Administration. Lawfully Admitted Aliens: When You Need a Social Security Number and When You Don't. [Baltimore, Md.]: Social Security Administration.
MLA (9th ed.) CitationUnited States. Social Security Administration. Lawfully Admitted Aliens: When You Need a Social Security Number and When You Don't. Social Security Administration.
Warning: These citations may not always be 100% accurate.