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APA Style
Akkermans, M. (2015, November 30). Genevieve von Petzinger Why are these 32 symbols found in ancient caves all over Europe?. World History Encyclopedia. Retrieved from https://www.worldhistory.org/video/666/genevieve-von-petzinger-why-are-these-32-symbols-f/
Chicago Style
Akkermans, Maikel. "Genevieve von Petzinger Why are these 32 symbols found in ancient caves all over Europe?." World History Encyclopedia. Last modified November 30, 2015. https://www.worldhistory.org/video/666/genevieve-von-petzinger-why-are-these-32-symbols-f/.
MLA Style
Akkermans, Maikel. "Genevieve von Petzinger Why are these 32 symbols found in ancient caves all over Europe?." World History Encyclopedia. World History Encyclopedia, 30 Nov 2015. Web. 21 Nov 2024.