\documentclass{hcij}

\begin{document}

% Change this to your title
\articletitle{Title of Article}

\runninghead{text}

% Change this to your abstract text
\articleabstract{Abstract text}

\newpage

\thickhrrule

\tableofcontents

\thickhrrule

% Article body starts after this command
\articlebodystart

% Example table figure
\begin{figure}[b]
\caption{This is a table figure.}
\begin{tabular}{cccc}
\toprule
Col title 1 & Col title 2 & Col title 3 & Col title 4 \\
\midrule 
data 1 & data 2 & data 3 & data 4 \\
data 1 & data 2 & data 3 & data 4 \\
data 1 & data 2 & data 3 & data 4 \\
data 1 & data 2 & data 3 & data 4 \\
\bottomrule
\end{tabular}
\label{fig:testTablefigure}
\end{figure}

\section{Introduction}
Body text

\subsection{Level-2 heading}
Body text

\subsubsectionnonum{Level-3 Heading}
Body text

\paragraph{Level-4 Heading}
This is an example citation \cite{dirac}. This is another citation with many authors \cite{latexcompanion}.

\subparagraph{Level-5 heading}
Body text

\section{Level-1 heading}
Body text

\subsection{Level-2 heading}
Body text

\subsubsectionnonum{Level-3 Heading}
Body text

\paragraph{Level-4 Heading}
Body text

\subparagraph{Level-5 heading}
Body text

% Example figure
\begin{figure}[t]
\caption{caption text}
\includegraphics[width=2in]{exampleImage.png}
\label{fig:testfigure}
\end{figure}

\articlebodyend

\articlenotes{Notes text}

% References
\begingroup
\raggedright
\titleformat*{\section}{\bfseries\Large\centering\MakeUppercase}
\bibliographystyle{apacite}
\bibliography{hcij_example}
\endgroup

% Appendices
\begin{appendices}
\appendixsection{Level-1 heading}

\appendixsubsection{Level-2 heading}
Body text

\appendixsubsection{Level-2 heading}
Body text

\appendixsubsubsection{Level-3 heading}
Body text

\appendixsection{Level-1 heading}

\appendixsubsection{Level-2 heading}
Body text

\end{appendices}

\end{document}