APA (7th ed.) Citation

Numbers & Concepts (Firm). (1990). Black Americans. Numbers & Concepts.

Chicago Style (17th ed.) Citation

Numbers & Concepts (Firm). Black Americans. Boulder, Colo.: Numbers & Concepts, 1990.

MLA (8th ed.) Citation

Numbers & Concepts (Firm). Black Americans. Numbers & Concepts, 1990.

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