APA (7th ed.) Citation

D'Ambrosia, C., Muliere, P., & Secchi, P. (2002). Income thresholds and income classes. Dt. Inst. für Wirtschaftsforschung.

Chicago Style (17th ed.) Citation

D'Ambrosia, Conchita, Pietro Muliere, and Piercesare Secchi. Income Thresholds and Income Classes. Berlin: Dt. Inst. für Wirtschaftsforschung, 2002.

MLA (9th ed.) Citation

D'Ambrosia, Conchita, et al. Income Thresholds and Income Classes. Dt. Inst. für Wirtschaftsforschung, 2002.