Cite

"Bread Making Medium"

MLA

Erdoes, Richard, 1912-2008. "Bread Making Medium". Box 47. 1975, undated. https://collections.library.yale.edu/catalog/2078460.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 47"])(1975, undated)["Bread Making Medium"]. https://collections.library.yale.edu/catalog/2078460.