Livy, The History of Rome (9BCE), Book LXXXVII

Sylla, having conquered and destroyed Caius Marius’s army, at Sacriportus, laid siege to Præneste, where Marius had taken refuge. He recovered Rome out of the hands of his enemies. Marius attempting to break forth from Præneste, was repelled. This book moreover contains an account of the successes of the different commanders under him, every where.