Cite

"Railroads"

MLA

Erdoes, Richard, 1912-2008. "Railroads". Box 77. 1975-1976, undated. https://collections.library.yale.edu/catalog/2099893.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 77"])(1975-1976, undated)["Railroads"]. https://collections.library.yale.edu/catalog/2099893.