Cite

"The Labor Novel"

MLA

Lewis, Sinclair, 1885-1951. "The Labor Novel". Box 69, folder 959. 1951 February 1. https://collections.library.yale.edu/catalog/17116564.

APA, 6th edition

Lewis, Sinclair, 1885-1951. (["Box 69, folder 959"])(1951 February 1)["The Labor Novel"]. https://collections.library.yale.edu/catalog/17116564.