APA (7e ed.) Bronvermelding

Katter, C. K. Fallen angels and evil spirit beings: A neglected and forgotten reality. [s.n.].

Chicago (17e ed.) Bronvermelding

Katter, Calvin K. Fallen Angels and Evil Spirit Beings: A Neglected and Forgotten Reality. [S.l.]: [s.n.].

MLA (9e ed.) Bronvermelding

Katter, Calvin K. Fallen Angels and Evil Spirit Beings: A Neglected and Forgotten Reality. [s.n.].