Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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