MLA

Optische Werke C. Reichert, R. Utlzmann, MD. Ultzmann's Saccharometer. Box 022. 1900-1930. https://collections.library.yale.edu/catalog/17316634.

APA, 6th edition

Optische Werke C. Reichert, & R. Utlzmann, MD. (["Box 022"])(1900-1930)[Ultzmann's Saccharometer]. https://collections.library.yale.edu/catalog/17316634.