MLA

Arnold, C. D. (Charles Dudley), b. 1844, Higinbotham, H. D, World's Columbian Exposition (1893 : Chicago, Ill.). Official views of the World's Columbian Exposition / issued by the Department of Photography, C.D. Arnold, H.D. Higinbotham, official photographers.. 1893. https://collections.library.yale.edu/catalog/10542967.

APA, 6th edition

Arnold, C. D. (Charles Dudley), b. 1844, & Higinbotham, H. D, & World's Columbian Exposition (1893 : Chicago, Ill.). (1893)[Official views of the World's Columbian Exposition / issued by the Department of Photography, C.D. Arnold, H.D. Higinbotham, official photographers.]. https://collections.library.yale.edu/catalog/10542967.