APA (7th ed.) Zitazioa
Margulies, L. The Ghoul Keepers: Nine Fantastic Stories. Pyramid Books.
Chicago Style (17th ed.) Zitazioa
Margulies, Leo. The Ghoul Keepers: Nine Fantastic Stories. Nueva York, EUA: Pyramid Books.
MLA (9th ed.) Zitazioa
Margulies, Leo. The Ghoul Keepers: Nine Fantastic Stories. Pyramid Books.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.