Riddle, A. G. (1880). The life, character and public services of Jas A. Garfield. Wm. Flint.
Citazione stile Chigago Style (17a edizione)Riddle, Albert Gallatin. The Life, Character and Public Services of Jas A. Garfield. Philadelphia: Wm. Flint, 1880.
Citatione MLA (9a ed.)Riddle, Albert Gallatin. The Life, Character and Public Services of Jas A. Garfield. Wm. Flint, 1880.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.