APA (7th ed.) Zitazioa
Horowitz, D. (2005). The end of time. Encounter Books.
Chicago Style (17th ed.) Zitazioa
Horowitz, David. The End of Time. San Francisco, CA: Encounter Books, 2005.
MLA (9th ed.) Zitazioa
Horowitz, David. The End of Time. Encounter Books, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.