Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Schrogl, K., Mathieu, C., & Lukaszczyk, A. (2009). Threats, Risks and Sustainability — Answers by Space. Springer Vienna.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Kai-Uwe Schrogl, Charlotte Mathieu, και Agnieszka Lukaszczyk. Threats, Risks and Sustainability — Answers by Space. Vienna: Springer Vienna, 2009.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Threats, Risks and Sustainability — Answers by Space. Springer Vienna, 2009.