APA (7th ed.) Citation

United States. Bureau of Immigration. (1930). Abolishment of port of entry for aliens arriving by aircraft. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Bureau of Immigration. Abolishment of Port of Entry for Aliens Arriving by Aircraft. Washington: [publisher not identified], 1930.

MLA (9th ed.) Citation

United States. Bureau of Immigration. Abolishment of Port of Entry for Aliens Arriving by Aircraft. [publisher not identified], 1930.

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