MLA

Johnston, William Walker Whitehall, 1835-1886. Album Page 9. Recto: Road near a tree with hanging planters and buildings in the distance, probably Wales. Box 1, folder 7. circa 1858. https://collections.library.yale.edu/catalog/16657581.

APA, 6th edition

Johnston, William Walker Whitehall, 1835-1886. (["Box 1, folder 7"])(circa 1858)[Album Page 9. Recto: Road near a tree with hanging planters and buildings in the distance, probably Wales]. https://collections.library.yale.edu/catalog/16657581.