MLA
Forrester, Andrew. Secret Service : or, Recollections of a City Detective. Robson and Levey|Ward and Lock, 1864. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/177fqz63nz-cor.
APA, 6th edition
Forrester, A. (1864). Secret service : or, Recollections of a city detective [Mystery and detective fiction]. Robson and Levey|Ward and Lock; Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/177fqz63nz-cor.
Chicago
Forrester, Andrew. “Secret Service : or, Recollections of a City Detective.” Mystery and detective fiction. Chester W. Topp Collection of Victorian Yellowbacks and Paperbacks. London|London: Robson and Levey|Ward and Lock, 1864. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/177fqz63nz-cor.