Cite

Untitled [Map series: Zip code map]

MLA

Steinberg, Saul, 1914-1999. Untitled [Map series: Zip code map]. Box 378, folder 5100. 1994. https://collections.library.yale.edu/catalog/11702643.

APA, 6th edition

Steinberg, Saul, 1914-1999. (["Box 378, folder 5100"])(1994)[Untitled [Map series: Zip code map]]. https://collections.library.yale.edu/catalog/11702643.