"Conrad Veidt," proofs
MLA
H. D. (Hilda Doolittle), 1886-1961. "Conrad Veidt," proofs. Box 42, folder 1090. n.d.. https://collections.library.yale.edu/catalog/17064285.
APA, 6th edition
H. D. (Hilda Doolittle), 1886-1961. (["Box 42, folder 1090"])(n.d.)["Conrad Veidt," proofs]. https://collections.library.yale.edu/catalog/17064285.