MLA

Simpson, Randolph Linsly, 1927-1992. Underwood & Underwood, Arlington, NJ; Westwood, NJ, Washington D.C. "(23)-5682, Oldest House in the United States, built by the Spanish about 1564, St. Augustine, Florida." Stereograph grey card. Box 13, folder 669. 1905. https://collections.library.yale.edu/catalog/32582673.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 13, folder 669"])(1905)[Underwood & Underwood, Arlington, NJ; Westwood, NJ, Washington D.C. "(23)-5682, Oldest House in the United States, built by the Spanish about 1564, St. Augustine, Florida." Stereograph grey card]. https://collections.library.yale.edu/catalog/32582673.