Cite

"Apollo Musagate, Poetry and the Leader of the Poets"

MLA

Schwartz, Delmore, 1913-1966. "Apollo Musagate, Poetry and the Leader of the Poets". Box 3, folder 150-151. 1962, undated. https://collections.library.yale.edu/catalog/17405210.

APA, 6th edition

Schwartz, Delmore, 1913-1966. (["Box 3, folder 150-151"])(1962, undated)["Apollo Musagate, Poetry and the Leader of the Poets"]. https://collections.library.yale.edu/catalog/17405210.