MLA

Simpson, Randolph Linsly, 1927-1992. Underwood & Underwood, Arlington, NJ, Westwood, NJ; New York; London; Toronto, Canada; Ottawa, KS "5722-Famous Trotting Ostrich 'Oliver W.' Harnessed for a Spin-Record of 2.02, Jacksonville, Fla." Stereograph, grey card. Box 13, folder 668. circa 1900. https://collections.library.yale.edu/catalog/32582670.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 13, folder 668"])(circa 1900)[Underwood & Underwood, Arlington, NJ, Westwood, NJ; New York; London; Toronto, Canada; Ottawa, KS "5722-Famous Trotting Ostrich 'Oliver W.' Harnessed for a Spin-Record of 2.02, Jacksonville, Fla." Stereograph, grey card]. https://collections.library.yale.edu/catalog/32582670.