APA (7th ed.) Citation

Headey, B., Habich, R., & Krause, P. (1990). The duration and extent of poverty: Is Germany a two thirds society? WZB, Arbeitsgruppe Sozialberichterstattung.

Chicago Style (17th ed.) Citation

Headey, Bruce, Roland Habich, and Peter Krause. The Duration and Extent of Poverty: Is Germany a Two Thirds Society? Berlin: WZB, Arbeitsgruppe Sozialberichterstattung, 1990.

MLA (9th ed.) Citation

Headey, Bruce, et al. The Duration and Extent of Poverty: Is Germany a Two Thirds Society? WZB, Arbeitsgruppe Sozialberichterstattung, 1990.