Cite

For Six Prints on the Pizzighelli Platina Direct Printing Paper

MLA

Stieglitz, Alfred, 1864-1946. For Six Prints on the Pizzighelli Platina Direct Printing Paper. Box 152, folder 2840. n.d.. https://collections.library.yale.edu/catalog/2006143.

APA, 6th edition

Stieglitz, Alfred, 1864-1946. (["Box 152, folder 2840"])(n.d.)[For Six Prints on the Pizzighelli Platina Direct Printing Paper]. https://collections.library.yale.edu/catalog/2006143.