APA (7th ed.) Zitazioa
(1979). Reader's digest Wide World Atlas (ed.). The reader's digest association, Inc..
Chicago Style (17th ed.) Zitazioa
Reader's Digest Wide World Atlas. ed. New york: The reader's digest association, Inc., 1979.
MLA (9th ed.) Zitazioa
Reader's Digest Wide World Atlas. ed. The reader's digest association, Inc., 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.