Cite This Item
MLA
Escher, M. C. (Maurits Cornelis). Convex and concave. March 1955. Web. 19 Apr 2024. <https://ark.digitalcommonwealth.org/ark:/50959/3r076s592>.
APA
Escher, M. (March 1955). Convex and concave [Print]. Retrieved from https://ark.digitalcommonwealth.org/ark:/50959/3r076s592
Chicago
Escher, M. C. (Maurits Cornelis). "Convex and concave." Print. March 1955. Digital Commonwealth, https://ark.digitalcommonwealth.org/ark:/50959/3r076s592 (accessed April 19, 2024).