APA (7th ed.) Zitazioa
Dickens, C. (2001). Pictures from Italy. Project Gutenberg.
Chicago Style (17th ed.) Zitazioa
Dickens, Charles. Pictures from Italy. Champaign, IL: Project Gutenberg, 2001.
MLA (9th ed.) Zitazioa
Dickens, Charles. Pictures from Italy. Project Gutenberg, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.