United States. Congress. House, ProQuest (Firm), & United States. Congress. House. Committee on the District of Columbia. (1939). Regulating steam and other operating engineering in the District of Columbia. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. House, ProQuest (Firm), and United States. Congress. House. Committee on the District of Columbia. Regulating Steam and Other Operating Engineering in the District of Columbia. Washington: [publisher not identified], 1939.
MLA (9th ed.) CitationUnited States. Congress. House, et al. Regulating Steam and Other Operating Engineering in the District of Columbia. [publisher not identified], 1939.
Warning: These citations may not always be 100% accurate.