APA-Zitierstil (7. Ausg.)

Hoffman, S. D., & Seidman, L. S. (1990). The earned income tax credit: Antipoverty effectiveness and labour market effects. W.E. Upjohn Institute for Employment Research.

Chicago-Zitierstil (17. Ausg.)

Hoffman, Saul D., und Laurence S. Seidman. The Earned Income Tax Credit: Antipoverty Effectiveness and Labour Market Effects. Kalamazoo, Mich: W.E. Upjohn Institute for Employment Research, 1990.

MLA-Zitierstil (9. Ausg.)

Hoffman, Saul D., und Laurence S. Seidman. The Earned Income Tax Credit: Antipoverty Effectiveness and Labour Market Effects. W.E. Upjohn Institute for Employment Research, 1990.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.