United States. Congress. House. Committee on Coinage, Weights, and Measures, & ProQuest (Firm). (1937). Coinage of 50-cent pieces in commemoration of the Battle of Antietam. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Coinage, Weights, and Measures, and ProQuest (Firm). Coinage of 50-cent Pieces in Commemoration of the Battle of Antietam. Washington: [publisher not identified], 1937.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Coinage, Weights, and Measures, and ProQuest (Firm). Coinage of 50-cent Pieces in Commemoration of the Battle of Antietam. [publisher not identified], 1937.
Warning: These citations may not always be 100% accurate.