MLA

Book, Beinecke Rare, and Manuscript Library. Samazeuilh, Gustave. 1890. https://collections.library.yale.edu/catalog/17353485.

APA, 6th edition

Book, B. R., & Library, M. (1890). Samazeuilh, Gustave. https://collections.library.yale.edu/catalog/17353485.