Παραπομπή APA

Horneck, G., & Rettberg, P. (2007). Complete course in astrobiology. Wiley-VCH.

Παραπομπή Chicago Style

Horneck, Gerda, και Petra Rettberg. Complete Course in Astrobiology. Weinheim: Wiley-VCH, 2007.

Παραπομπή MLA

Horneck, Gerda, και Petra Rettberg. Complete Course in Astrobiology. Wiley-VCH, 2007.