Cita APA (7a ed.)

Adema, W., Gray, D., & Kahl, S. (2003). Social Assistance in Germany. OECD Publishing.

Cita Chicago Style (17a ed.)

Adema, Willem, Donald Gray, y Sigrun Kahl. Social Assistance in Germany. Paris: OECD Publishing, 2003.

Cita MLA (9a ed.)

Adema, Willem, et al. Social Assistance in Germany. OECD Publishing, 2003.