I'm not sure what you mean by not seeing it. Here is the citation it gives when I pull it up in my logos.
Schaff, P. (1997). The Nicene and Post-Nicene Fathers Vol. I. The confessions and letters of St. Augustin with a sketch of his life and work. (29). Oak Harbor: Logos Research Systems.
The 3 volumes of the creeds are available as free PBBs.