Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Kropp, J., & Schellnhuber, H. (2011). In Extremis: Disruptive Events and Trends in Climate and Hydrology. Springer Berlin Heidelberg.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Jürgen Kropp, και Hans-Joachim Schellnhuber. In Extremis: Disruptive Events and Trends in Climate and Hydrology. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. In Extremis: Disruptive Events and Trends in Climate and Hydrology. Springer Berlin Heidelberg, 2011.