APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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