MLA
Gould, Nat. A Gentleman Rider : a Tale of the Grand National. G. Routledge and Sons, 1896. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/808v9s4n4f-cor.
APA, 6th edition
Gould, N. (1896). A gentleman rider : a tale of the Grand National [Yellowbacks.]. Grand National (Horse race). G. Routledge and Sons; Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/808v9s4n4f-cor.
Chicago
Gould, Nat. “A Gentleman Rider : a Tale of the Grand National.” Yellowbacks. Chester W. Topp Collection of Victorian Yellowbacks and Paperbacks. London: G. Routledge and Sons, 1896. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/808v9s4n4f-cor.