APA (7th ed.) Citation

Sowell, T. (1978). American ethnic groups. Urban Institute.

Chicago Style (17th ed.) Citation

Sowell, Thomas. American Ethnic Groups. Washington, D.C: Urban Institute, 1978.

MLA (9th ed.) Citation

Sowell, Thomas. American Ethnic Groups. Urban Institute, 1978.

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