MLA

E. L. Washburn and Compan, Eliot, Gustavus, MD (Yale, A.B. 1877, Forbes, Mrs. William A. Van Buren-style Urethral Sounds. Box 090. https://collections.library.yale.edu/catalog/17321846.

APA, 6th edition

E. L. Washburn and Compan, & Eliot, Gustavus, MD (Yale, A.B. 1877, & Forbes, Mrs. William A. (["Box 090"])[Van Buren-style Urethral Sounds]. https://collections.library.yale.edu/catalog/17321846.