APA (7th ed.) Zitazioa

Schmeikal, B. (2010). Primordial space. Nova Science Publishers, Inc..

Chicago Style (17th ed.) Zitazioa

Schmeikal, Bernd. Primordial Space. New York: Nova Science Publishers, Inc., 2010.

MLA (9th ed.) Zitazioa

Schmeikal, Bernd. Primordial Space. Nova Science Publishers, Inc., 2010.