Cita APA (7a ed.)

O'Hara, S. P. (2016). Inventing the Pinkertons; or, Spies, Sleuths, Mercenaries, and Thugs: Being a story of the nation's most famous (and infamous) detective agency. Johns Hopkins University Press.

Cita Chicago Style (17a ed.)

O'Hara, S. Paul. Inventing the Pinkertons; or, Spies, Sleuths, Mercenaries, and Thugs: Being a Story of the Nation's Most Famous (and Infamous) Detective Agency. Baltimore, Maryland: Johns Hopkins University Press, 2016.

Cita MLA (8a ed.)

O'Hara, S. Paul. Inventing the Pinkertons; or, Spies, Sleuths, Mercenaries, and Thugs: Being a Story of the Nation's Most Famous (and Infamous) Detective Agency. Johns Hopkins University Press, 2016.