APA (7th ed.) Citation

Harel, McKinney, & Williams. (1990). Black aged: Understanding diversity and service needs. Sage.

Chicago Style (17th ed.) Citation

Harel, McKinney, and Williams. Black Aged: Understanding Diversity and Service Needs. Newbury Park: Sage, 1990.

MLA (9th ed.) Citation

Harel, et al. Black Aged: Understanding Diversity and Service Needs. Sage, 1990.