United States. Department of Labor. Wage and Hour Division. (1939). Interpretive bulletin no. 7: Forestry or lumbering operations incident to or in conjunction with farming operations. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Department of Labor. Wage and Hour Division. Interpretive Bulletin No. 7: Forestry or Lumbering Operations Incident to or in Conjunction with Farming Operations. [Washington]: [s.n.], 1939.
MLA (9th ed.) CitationUnited States. Department of Labor. Wage and Hour Division. Interpretive Bulletin No. 7: Forestry or Lumbering Operations Incident to or in Conjunction with Farming Operations. [s.n.], 1939.
Warning: These citations may not always be 100% accurate.