Cite

Geldzahler and DH (color)

MLA

Geldzahler, Henry, 1935-1994. Geldzahler and DH (color). Box 26, folder 37. circa 1979. https://collections.library.yale.edu/catalog/2012817.

APA, 6th edition

Geldzahler, Henry, 1935-1994. (["Box 26, folder 37"])(circa 1979)[Geldzahler and DH (color)]. https://collections.library.yale.edu/catalog/2012817.