You write BA (Hons) on a CV by writing ‘BA (Hons)’ plus your degree title.
For example:
BA (Hons) French & Politics
On the line above, write your university and years studied. On a line below, include your degree classification if it’s a 2:1 or above.
For instance:
University of Bath, 2020–2024
BA (Hons) French and Politics
Upper second-class honours
Note that ‘(Hons)’ is always in brackets.