Ab urbe condita

Titus Livius (Livy)

Livy. History of Rome, Volumes 1-2. Roberts, Canon, Rev, translator. London, New York: J. M. Dent and Sons; E. P. Dutton and Co., 1912.

Then Volumnius ordered the battle signal to be sounded and the standards to be carried out of the camp. Appius, it is said, was for some time undecided, as he saw that whether he fought or remained inactive the victory would be his colleague's, but at last, fearing lest his legions also should follow Volumnius, he yielded to their loud demands and gave the signal for battle.