APA-referens (7:e uppl.)

Riddle, A. G. (1880). The life, character and public services of Jas A. Garfield. Wm. Flint.

Chicago-referens (17:e uppl.)

Riddle, Albert Gallatin. The Life, Character and Public Services of Jas A. Garfield. Philadelphia: Wm. Flint, 1880.

MLA-referens (9:e uppl.)

Riddle, Albert Gallatin. The Life, Character and Public Services of Jas A. Garfield. Wm. Flint, 1880.