MLA

Lavater, Johann Caspar, 1741-1801. Six emblematic etchings and watercolors, with manuscript captions in Lavater's hand. Box 2, folder 32. 1795-98. https://collections.library.yale.edu/catalog/2042220.

APA, 6th edition

Lavater, Johann Caspar, 1741-1801. (["Box 2, folder 32"])(1795-98)[Six emblematic etchings and watercolors, with manuscript captions in Lavater's hand]. https://collections.library.yale.edu/catalog/2042220.