\documentclass[a4paper,11pt]{book}

%\usepackage[english]{babel}
\usepackage{graphicx}


\usepackage[colorlinks, linkcolor=black, citecolor=black, urlcolor=black]{hyperref}

\usepackage{geometry}
\geometry{a4paper, headheight= 10 pt, inner= 3cm, outer= 2cm, top= 2.5cm, bottom= 2.5cm}

%\usepackage{todonotes} %Used for the figure placeholders
\usepackage{fontspec}
\setmainfont{Brill}
\setsansfont{Optima}

\usepackage[notes, isbn=false,backend=biber]{biblatex-chicago}
\addbibresource{/Users/tom/Desktop/test.bib}

\begin{document}

\input{test.tex}

\end{document}
