Cita APA (7th ed.)

SpringerLink (Online service), Jaeger, C. C., Tàbara, J. D., & Jaeger, J. (2011). European research on sustainable development. Springer.

Cita Chicago (17th ed.)

SpringerLink (Online service), Carlo C. Jaeger, J. David Tàbara, i Julia Jaeger. European Research on Sustainable Development. Berlin, Heidelberg, New York: Springer, 2011.

Cita MLA (9th ed.)

SpringerLink (Online service), et al. European Research on Sustainable Development. Springer, 2011.