APA (7th ed.) Citation

Bullough, B., & Bullough, V. L. (1972). Poverty, ethnic identity, and health care.

Chicago Style (17th ed.) Citation

Bullough, Bonnie, and Vern L. Bullough. Poverty, Ethnic Identity, and Health Care. New York, 1972.

MLA (9th ed.) Citation

Bullough, Bonnie, and Vern L. Bullough. Poverty, Ethnic Identity, and Health Care. 1972.