APA (7th ed.) Citation

United States. Congress. House, ProQuest (Firm), & United States. Congress. House. Committee on Mines and Mining. (1941). Investigations in coal mines. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Congress. House, ProQuest (Firm), and United States. Congress. House. Committee on Mines and Mining. Investigations in Coal Mines. Washington: [publisher not identified], 1941.

MLA (9th ed.) Citation

United States. Congress. House, et al. Investigations in Coal Mines. [publisher not identified], 1941.

Warning: These citations may not always be 100% accurate.