APA (7th ed.) Citation

Hornibrook, F. A. (1945). The Vatican menace. [s.n..

Chicago Style (17th ed.) Citation

Hornibrook, F. A. The Vatican Menace. Auckland: [s.n., 1945.

MLA (8th ed.) Citation

Hornibrook, F. A. The Vatican Menace. [s.n., 1945.