APA-Zitierstil (7. Ausg.)

Seibert, J. W. (2002). "I done my duty": The complete story of the assassination of President McKinley. Heritage Books.

Chicago-Zitierstil (17. Ausg.)

Seibert, Jeffrey W. "I Done My Duty": The Complete Story of the Assassination of President McKinley. Bowie, Md: Heritage Books, 2002.

MLA-Zitierstil (9. Ausg.)

Seibert, Jeffrey W. "I Done My Duty": The Complete Story of the Assassination of President McKinley. Heritage Books, 2002.