MLA

Library, Henry E. Huntington, and Art Gallery. Distinguished American Poet : [Wallace] Stevens with Robert Frost, 1938. Huntington Library/Art Gallery/Botanical Gardens, 0AD. https://collections.library.yale.edu/catalog/2000219.

APA, 6th edition

Library, H. E. H., & Gallery, A. (0 C.E.). Distinguished American Poet : [Wallace] Stevens with Robert Frost, 1938. Huntington Library/Art Gallery/Botanical Gardens, https://collections.library.yale.edu/catalog/2000219.