Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service) & Hannah, L. (2012). Saving a Million Species: Extinction Risk from Climate Change. Island Press/Center for Resource Economics.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service) και Lee Hannah. Saving a Million Species: Extinction Risk from Climate Change. Washington, DC: Island Press/Center for Resource Economics, 2012.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service) και Lee Hannah. Saving a Million Species: Extinction Risk from Climate Change. Island Press/Center for Resource Economics, 2012.