MLA

Johnston, William Walker Whitehall, 1835-1886. Album Page 29. Recto: Trees in garden at Cadoxton Lodge Estate, Cadoxton-juxta-Neath, Wales. Box 1, folder 27. 1858. https://collections.library.yale.edu/catalog/15940904.

APA, 6th edition

Johnston, William Walker Whitehall, 1835-1886. (["Box 1, folder 27"])(1858)[Album Page 29. Recto: Trees in garden at Cadoxton Lodge Estate, Cadoxton-juxta-Neath, Wales]. https://collections.library.yale.edu/catalog/15940904.