APA (7th ed.) Citation

United States. Bureau of Labor Statistics & ProQuest (Firm). (1950). Employment outlook in petroleum production and refining. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Bureau of Labor Statistics and ProQuest (Firm). Employment Outlook in Petroleum Production and Refining. Washington: [publisher not identified], 1950.

MLA (9th ed.) Citation

United States. Bureau of Labor Statistics and ProQuest (Firm). Employment Outlook in Petroleum Production and Refining. [publisher not identified], 1950.

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