Cita APA (7th ed.)

Aaron, H. J. (1973). Why is welfare so hard to reform? Brookings Institution.

Cita Chicago (17th ed.)

Aaron, Henry J. Why Is Welfare so Hard to Reform? Washington: Brookings Institution, 1973.

Cita MLA (8th ed.)

Aaron, Henry J. Why Is Welfare so Hard to Reform? Brookings Institution, 1973.