Mobius strip | mathematics | Britannica.com
MLA style: "Mobius strip". Encyclopædia Britannica. Encyclopædia Britannica Online. Encyclopædia Britannica Inc., 2015. Web. 17 Jul. 2015 < http://www.britannica.com/topic/Mobius-strip >. APA style: Mobius strip. (2015). In Encyclopædia Britannica. Retrie...