APA (7th ed.) Zitazioa
Warren, B. (1974). The Harkness Collection in the Library of Congress: Manuscripts Concerning Mexico : A Guide. Library of Congress.
Chicago Style (17th ed.) Zitazioa
Warren, Benedict. The Harkness Collection in the Library of Congress: Manuscripts Concerning Mexico : A Guide. Washington, EUA: Library of Congress, 1974.
MLA (9th ed.) Zitazioa
Warren, Benedict. The Harkness Collection in the Library of Congress: Manuscripts Concerning Mexico : A Guide. Library of Congress, 1974.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.