MLA

Baxter, Mary. [Commonplace Book]. 1828. https://collections.library.yale.edu/catalog/9998458.

APA, 6th edition

Baxter, M. (1828). [Commonplace book] [Commonplace books, Drawings, Illustrations, Manuscripts, Sayings, Watercolors (Paintings)]. https://collections.library.yale.edu/catalog/9998458.