United States. Bureau of Immigration. (1931). Amendment of Subdivision B of Rule 25 of Immigration laws and rules of Jan. 1, 1930. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Bureau of Immigration. Amendment of Subdivision B of Rule 25 of Immigration Laws and Rules of Jan. 1, 1930. Washington: [publisher not identified], 1931.
MLA (9th ed.) CitationUnited States. Bureau of Immigration. Amendment of Subdivision B of Rule 25 of Immigration Laws and Rules of Jan. 1, 1930. [publisher not identified], 1931.
Warning: These citations may not always be 100% accurate.