APA (7th ed.) Zitazioa

Samuel, L. R. (2009). Future: A recent history. University of Texas Press.

Chicago Style (17th ed.) Zitazioa

Samuel, Lawrence R. Future: A Recent History. Austin: University of Texas Press, 2009.

MLA (9th ed.) Zitazioa

Samuel, Lawrence R. Future: A Recent History. University of Texas Press, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.