Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Zachos, F. E., & Habel, J. C. (2011). Biodiversity Hotspots: Distribution and Protection of Conservation Priority Areas. Springer Berlin Heidelberg.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Frank E. Zachos, και Jan Christian Habel. Biodiversity Hotspots: Distribution and Protection of Conservation Priority Areas. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Biodiversity Hotspots: Distribution and Protection of Conservation Priority Areas. Springer Berlin Heidelberg, 2011.