Library of Congress. Congressional Research Service & ProQuest (Firm). (1981). Penalties for the Employment of Undocumented/Illegal Aliens: The Worker Identification Issue. [publisher not identified].
Chicago Style (17th ed.) CitationLibrary of Congress. Congressional Research Service and ProQuest (Firm). Penalties for the Employment of Undocumented/Illegal Aliens: The Worker Identification Issue. [Place of publication not identified]: [publisher not identified], 1981.
MLA (9th ed.) CitationLibrary of Congress. Congressional Research Service and ProQuest (Firm). Penalties for the Employment of Undocumented/Illegal Aliens: The Worker Identification Issue. [publisher not identified], 1981.
Warning: These citations may not always be 100% accurate.