MLA

Johnston, William Walker Whitehall, 1835-1886. Album Page 62. Recto: Veranda of barracks at Castries, Saint Lucia; image includes a black woman in the foreground. Box 1, folder 60. circa 1860. https://collections.library.yale.edu/catalog/16657607.

APA, 6th edition

Johnston, William Walker Whitehall, 1835-1886. (["Box 1, folder 60"])(circa 1860)[Album Page 62. Recto: Veranda of barracks at Castries, Saint Lucia; image includes a black woman in the foreground]. https://collections.library.yale.edu/catalog/16657607.