MLA
Scarborough, W. S. (William Sanders), 1852-1926. The birds of Aristophanes : a theory of interpretation : a paper read before the American Philological Association at its annual meeting at Sage College, Cornell University, Ithaca, N.Y., July 13, 1886. 1886. African American Imprints Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3720cfxqs1-cor.
APA, 6th edition
Scarborough, W. S. (William Sanders), 1852-1926. (1886)[The birds of Aristophanes : a theory of interpretation : a paper read before the American Philological Association at its annual meeting at Sage College, Cornell University, Ithaca, N.Y., July 13, 1886]. African American Imprints Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3720cfxqs1-cor.
Chicago
Scarborough, W. S. (William Sanders), 1852-1926, The birds of Aristophanes : a theory of interpretation : a paper read before the American Philological Association at its annual meeting at Sage College, Cornell University, Ithaca, N.Y., July 13, 1886, 1886, African American Imprints Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3720cfxqs1-cor.