MLA

Grant, Henry Duncan, 1834-1896. Sketchbook. Box 14. 1889-1894. https://collections.library.yale.edu/catalog/33386661.

APA, 6th edition

Grant, Henry Duncan, 1834-1896. (["Box 14"])(1889-1894)[Sketchbook]. https://collections.library.yale.edu/catalog/33386661.