APA ציטוט

Ehrenfreund, P. (2004). Astrobiology: Future perspectives. KluwerbAcademic Publishers.

Chicago Edition Citation

Ehrenfreund, Pascale. Astrobiology: Future Perspectives. London: KluwerbAcademic Publishers, 2004.

ציטוט MLA

Ehrenfreund, Pascale. Astrobiology: Future Perspectives. KluwerbAcademic Publishers, 2004.