APA (7th ed.) Zitazioa
Dewey, R. E. (1970). Freedom: Its history, nature, and varieties. Collier-Macmillan Limited.
Chicago Style (17th ed.) Zitazioa
Dewey, Robert E. Freedom: Its History, Nature, and Varieties. London: Collier-Macmillan Limited, 1970.
MLA (9th ed.) Zitazioa
Dewey, Robert E. Freedom: Its History, Nature, and Varieties. Collier-Macmillan Limited, 1970.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.