MLA

Johnston, William Walker Whitehall, 1835-1886. Album Page 12. Recto: Residences at Adelaide Terrace, probably in Great Britain. Box 1, folder 10. circa 1858. https://collections.library.yale.edu/catalog/16657582.

APA, 6th edition

Johnston, William Walker Whitehall, 1835-1886. (["Box 1, folder 10"])(circa 1858)[Album Page 12. Recto: Residences at Adelaide Terrace, probably in Great Britain]. https://collections.library.yale.edu/catalog/16657582.