APA (7th ed.) Citation

Baker, L. F. C. (1867). History of the United States Secret Service. Published by L.C. Baker.

Chicago Style (17th ed.) Citation

Baker, La Fayette C. History of the United States Secret Service. Philadelphia: Published by L.C. Baker, 1867.

MLA (9th ed.) Citation

Baker, La Fayette C. History of the United States Secret Service. Published by L.C. Baker, 1867.