Org ref not exporting authordate when using natbib

Question

I am trying to export an org file with rounded brackets:

In order to be proficient in mathematics students must be able to perform fundamental skills with fluency (Williamson 2017:18).

But when using the latex header below I numeric:

In order to be proficient in mathematics students must be able to perform fundamental skills with fluency (1:18).

#+LATEX_HEADER: \usepackage[round]{natbib}
#+LATEX_HEADER: \setcitestyle{authoryear}

I tried to set the cite style but it did not work. Though it did work to set the note sep:

#+LATEX_HEADER: \setcitestyle{notesep={:}}

How can I fix this?

Answer 1

Try

#+LATEX_HEADER: \usepackage[round]{natbib}
#+latex_header: \setcitestyle{authoryear,open={(},close={)}}
#+latex_header: \bibliographystyle{abbrvnat}

and use citep:key for the citations.