APA (7th ed.) Zitazioa
Butler, A. M. (2000). The pocket essential Philip K. Dick. Pocket Essentials.
Chicago Style (17th ed.) Zitazioa
Butler, Andrew M. The Pocket Essential Philip K. Dick. Harpenden: Pocket Essentials, 2000.
MLA (9th ed.) Zitazioa
Butler, Andrew M. The Pocket Essential Philip K. Dick. Pocket Essentials, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.