Cite

Another group of six Indian boys preparing for a footrace, watched by a large group of men on horseback

MLA

O'Hara, Geoffrey, 1882-1967. Another group of six Indian boys preparing for a footrace, watched by a large group of men on horseback. Box 1, folder 32. circa 1913-1914. https://collections.library.yale.edu/catalog/2065297.

APA, 6th edition

O'Hara, Geoffrey, 1882-1967. (["Box 1, folder 32"])(circa 1913-1914)[Another group of six Indian boys preparing for a footrace, watched by a large group of men on horseback]. https://collections.library.yale.edu/catalog/2065297.