Seabrook, W. (1941). Witchcraft: Its power in the world to-day. London: George G. Harrap & Co.
Chicago-referens (17:e uppl.)Seabrook, William. Witchcraft: Its Power in the World To-day. London: George G. Harrap & Co, 1941.
MLA-referens (8:e uppl.)Seabrook, William. Witchcraft: Its Power in the World To-day. London: George G. Harrap & Co, 1941.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.