Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Bobrowsky, P. T., & Rickman, H. (2007). Comet/Asteroid Impacts and Human Society: An Interdisciplinary Approach. Springer Berlin Heidelberg.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Peter T. Bobrowsky, και Hans Rickman. Comet/Asteroid Impacts and Human Society: An Interdisciplinary Approach. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Comet/Asteroid Impacts and Human Society: An Interdisciplinary Approach. Springer Berlin Heidelberg, 2007.