Cite

Sketch book

MLA

Parker, Peter, 1804-1888. Sketch book. 8, folder 11. n.d.. https://collections.library.yale.edu/catalog/16808841.

APA, 6th edition

Parker, Peter, 1804-1888. (["8, folder 11"])(n.d.)[Sketch book]. https://collections.library.yale.edu/catalog/16808841.