APA (7th ed.) Citation

United States. Bureau of Labor Statistics & ProQuest (Firm). (1951). Productivity trends in selected industries. Indexes through 1950. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Bureau of Labor Statistics and ProQuest (Firm). Productivity Trends in Selected Industries. Indexes Through 1950. Washington: [publisher not identified], 1951.

MLA (9th ed.) Citation

United States. Bureau of Labor Statistics and ProQuest (Firm). Productivity Trends in Selected Industries. Indexes Through 1950. [publisher not identified], 1951.

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