MLA

Johnston, William Walker Whitehall, 1835-1886. Album Page 83. Recto: Informal group portrait of seventeen officers dressed in fatigue battle uniforms, probably in front of barracks at Up-Park Camp, Kingston, Jamaica; William Walker Whitehall Johnston posed standing at far left. Box 1, folder 81. circa 1865. https://collections.library.yale.edu/catalog/15817492.

APA, 6th edition

Johnston, William Walker Whitehall, 1835-1886. (["Box 1, folder 81"])(circa 1865)[Album Page 83. Recto: Informal group portrait of seventeen officers dressed in fatigue battle uniforms, probably in front of barracks at Up-Park Camp, Kingston, Jamaica; William Walker Whitehall Johnston posed standing at far left]. https://collections.library.yale.edu/catalog/15817492.