\documentclass{article}

\usepackage{float}

\title{
  Example document to showcase RefTeX UI
}

\begin{document}
\maketitle

\section{Introduction}
\label{sec:intro}

\section{Background}
\label{sec:bg}

See~\cite{rmsemacs}\cite{nativecomp}\cite{evolutionelisp}.

\section{Methodology}
\label{sec:method}

\section{Results}
\label{sec:results}

\begin{table}[H]
  \centering
  \begin{tabular}{l|l|l}
    \textbf{Column 1} & \textbf{Column 2} & \textbf{Column 3} \\
    \hline
    1                 & 2                 & 3                 \\
  \end{tabular}
  \caption{Example table}
  \label{tab:results}
\end{table}

\section{Conclusion}
\label{sec:conclusion}

\bibliographystyle{alpha}
\bibliography{biblio}

\end{document}