United States. Department of Labor & ProQuest (Firm). (1890). [Letter of Acting Commissioner of Labor on cost of steel rails in United States.]. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Department of Labor and ProQuest (Firm). [Letter of Acting Commissioner of Labor on Cost of Steel Rails in United States.]. Washington: [publisher not identified], 1890.
MLA (9th ed.) CitationUnited States. Department of Labor and ProQuest (Firm). [Letter of Acting Commissioner of Labor on Cost of Steel Rails in United States.]. [publisher not identified], 1890.
Warning: These citations may not always be 100% accurate.