APA (7th ed.) Citation

Business Research Services (Firm). (1986). National directory of women-owned business firms. Business Research Services, Inc..

Chicago Style (17th ed.) Citation

Business Research Services (Firm). National Directory of Women-owned Business Firms. Lombard, IL: Business Research Services, Inc., 1986.

MLA (9th ed.) Citation

Business Research Services (Firm). National Directory of Women-owned Business Firms. Business Research Services, Inc., 1986.