Cita APA (7th ed.)
Hamm, I., Seitz, H., & Werding, M. (2008). Demographic Change in Germany: The Economic and Fiscal Consequences. Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-540-68137-3
Cita Chicago (17th ed.)
Hamm, Ingrid, Helmut Seitz, i Martin Werding. Demographic Change in Germany: The Economic and Fiscal Consequences. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. https://doi.org/10.1007/978-3-540-68137-3.
Cita MLA (9th ed.)
Hamm, Ingrid, et al. Demographic Change in Germany: The Economic and Fiscal Consequences. Springer Berlin Heidelberg, 2008. https://doi.org/10.1007/978-3-540-68137-3.
Atenció: Aquestes cites poden no estar 100% correctes.