Cite

Perfect double symmetry reflected

MLA

Steinberg, Saul, 1914-1999. Perfect double symmetry reflected. Box 81, folder 1873. undated. https://collections.library.yale.edu/catalog/16856885.

APA, 6th edition

Steinberg, Saul, 1914-1999. (["Box 81, folder 1873"])(undated)[Perfect double symmetry reflected]. https://collections.library.yale.edu/catalog/16856885.