"Exercise in Preparation for a Pindaric Ode to Carl Hubbell"
MLA
Schwartz, Delmore, 1913-1966. "Exercise in Preparation for a Pindaric Ode to Carl Hubbell". Box 3, folder 165. 1959. https://collections.library.yale.edu/catalog/17405219.
APA, 6th edition
Schwartz, Delmore, 1913-1966. (["Box 3, folder 165"])(1959)["Exercise in Preparation for a Pindaric Ode to Carl Hubbell"]. https://collections.library.yale.edu/catalog/17405219.