APA (7 वां संस्करण) प्रशस्ति पत्र

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

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

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

एमएलए (9वां संस्करण) प्रशस्ति पत्र

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