APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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