Library of Congress. Congressional Research Service & ProQuest (Firm). (2008). Constitutionality of Requiring Photo Identification for Voting: An Analysis of Crawford v. Marion County Election Board. [publisher not identified].
Chicago Style (17th ed.) CitationLibrary of Congress. Congressional Research Service and ProQuest (Firm). Constitutionality of Requiring Photo Identification for Voting: An Analysis of Crawford V. Marion County Election Board. [Place of publication not identified]: [publisher not identified], 2008.
MLA (9th ed.) CitationLibrary of Congress. Congressional Research Service and ProQuest (Firm). Constitutionality of Requiring Photo Identification for Voting: An Analysis of Crawford V. Marion County Election Board. [publisher not identified], 2008.