APA (7th ed.) Zitazioa
Summers, M. The Geography of Witchcraft. University Books.
Chicago Style (17th ed.) Zitazioa
Summers, Montague. The Geography of Witchcraft. Nueva York, EUA: University Books.
MLA (9th ed.) Zitazioa
Summers, Montague. The Geography of Witchcraft. University Books.
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