APA (7th ed.) Citation

United States. War Production Board. (1942). Directory of Contract Opportunities, Vol. I, No. 12. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. War Production Board. Directory of Contract Opportunities, Vol. I, No. 12. [Washington]: [publisher not identified], 1942.

MLA (9th ed.) Citation

United States. War Production Board. Directory of Contract Opportunities, Vol. I, No. 12. [publisher not identified], 1942.

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