MLA
Newman, John Henry, 1801-1890. Callista : a sketch of the third century.. 1856. Chester W. Topp collection of Victorian yellowbacks and paperbacks. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/941zcrjhdq-cor.
APA, 6th edition
Newman, John Henry, 1801-1890. (1856)[Callista : a sketch of the third century.]. Chester W. Topp collection of Victorian yellowbacks and paperbacks, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/941zcrjhdq-cor.
Chicago
Newman, John Henry, 1801-1890, Callista : a sketch of the third century., 1856, Chester W. Topp collection of Victorian yellowbacks and paperbacks, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/941zcrjhdq-cor.