APA (7th ed.) Zitazioa
Katter, C. K. Fallen angels and evil spirit beings: A neglected and forgotten reality. [s.n.].
Chicago Style (17th ed.) Zitazioa
Katter, Calvin K. Fallen Angels and Evil Spirit Beings: A Neglected and Forgotten Reality. [S.l.]: [s.n.].
MLA (9th ed.) Zitazioa
Katter, Calvin K. Fallen Angels and Evil Spirit Beings: A Neglected and Forgotten Reality. [s.n.].
Kontuz: berrikusi erreferentzia hauek erabili aurretik.