APA-referens (7:e uppl.)

Schmitz, L., & Robson, J. (1853). A history of Rome, from the earliest times to the death of Commodus, A.D. 192. By Dr. Leonhard Schmitz, F.R.S.E (1a. ed.). Harper & Brothers.

Chicago-referens (17:e uppl.)

Schmitz, Leonhard, och John Robson. A History of Rome, from the Earliest Times to the Death of Commodus, A.D. 192. By Dr. Leonhard Schmitz, F.R.S.E. 1a. ed. Nueva York: Harper & Brothers, 1853.

MLA-referens (9:e uppl.)

Schmitz, Leonhard, och John Robson. A History of Rome, from the Earliest Times to the Death of Commodus, A.D. 192. By Dr. Leonhard Schmitz, F.R.S.E. 1a. ed. Harper & Brothers, 1853.