MLA

[Sketchbook Recording a Tour in Central and Southern France, with a Few British Views] [Art Original]. 1827. https://collections.library.yale.edu/catalog/16895227.

APA, 6th edition

[Sketchbook recording a tour in central and southern France, with a few British views] [art original]. (1827). [Pictorial works, Travel sketches, Pencil works, Ink drawings, Wash drawings, Watercolors, Views, Landscape drawings, Sketchbooks, Graphite drawings]. https://collections.library.yale.edu/catalog/16895227.