MLA

Carlberg, Michael, and Arne Hansen. Sustainability and Optimality of Public Debt. Dordrecht: Springer Berlin Heidelberg, 2013.

APA

Carlberg, M., & Hansen, A. (2013). Sustainability and Optimality of Public Debt. Dordrecht: Springer Berlin Heidelberg.

Chicago

Carlberg, Michael, and Arne Hansen. Sustainability and Optimality of Public Debt. Dordrecht: Springer Berlin Heidelberg, 2013.