\documentclass{article}
\usepackage{blindtext}
\usepackage{graphicx}

\begin{document}
\section{Introduction}
\label{sec:intro}
Now I'm using label command to create cross-references, e.g. in section \ref{sec:review} a literature review is presented, in section \ref{sec:method} the methodology is presented, and so on...

\section{Literature review}
\label{sec:review}
\blindtext[1]

\section{Methodology}
\label{sec:method}
In the Fig. \ref{fig:image-a} the methodology is presented.

\begin{figure}[!h]
	\centering
	\includegraphics[width=3in]{example-image-a}
	\caption{The caption of the figure}
	\label{fig:image-a}
\end{figure}



\section{Preliminary data}
\label{sec:pre}
\blindtext[1]

\section{Statement of limitations}
\label{sec:limitations}
\blindtext[1]

\section{Conclusions}
\label{sec:conclusions}
\blindtext[1]

\end{document}