How to Write a Research Paper in LaTeX (2026 Step-by-Step Guide)

To write a research paper in LaTeX, start with a \documentclass{article}, structure your content with sectioning commands, use the graphicx and booktabs packages for figures and tables, and manage references with BibTeX. You can do all of this in your browser — no installation required — using LetX.

Writing a research paper in LaTeX gives you publication-quality typesetting, automatic numbering for equations, figures, and citations, and output that every major journal accepts. This guide walks you through the entire process, from a blank document to a submission-ready PDF.

1. Set Up Your Document

Every LaTeX paper begins with a document class and a preamble. For most journals, article is the correct class:

\documentclass[11pt]{article}
 
\usepackage{graphicx}   % figures
\usepackage{booktabs}   % professional tables
\usepackage{amsmath}    % math environments
\usepackage[margin=1in]{geometry}
 
\title{Your Paper Title}
\author{Your Name \\ Your Institution}
\date{\today}
 
\begin{document}
\maketitle
 
% Your content goes here
 
\end{document}

2. Structure Your Sections

LaTeX handles all numbering automatically. Use logical sectioning commands and never hard-code a "Section 3" by hand:

\begin{abstract}
A concise summary of your findings.
\end{abstract}
 
\section{Introduction}
\section{Methods}
\subsection{Data Collection}
\section{Results}
\section{Discussion}
\section{Conclusion}

If you reorder your sections later, every number and cross-reference updates itself on the next compile.

3. Add Figures and Tables

Figures use the figure environment, which lets LaTeX place and number them for you:

\begin{figure}[h]
  \centering
  \includegraphics[width=0.8\textwidth]{results.png}
  \caption{Experimental results across conditions.}
  \label{fig:results}
\end{figure}

For clean, journal-ready tables, use booktabs rules instead of vertical lines:

\begin{table}[h]
  \centering
  \begin{tabular}{lcc}
    \toprule
    Condition & Mean & SD \\
    \midrule
    Control   & 4.2  & 0.8 \\
    Treatment & 6.1  & 1.1 \\
    \bottomrule
  \end{tabular}
  \caption{Summary statistics.}
\end{table}

4. Write Equations

This is where LaTeX outshines every word processor. Inline math goes between dollar signs, and display equations get automatic numbering:

Inline: the value $\alpha = 0.05$ was used.
 
\begin{equation}
  \hat{\beta} = (X^\top X)^{-1} X^\top y
  \label{eq:ols}
\end{equation}

Reference it anywhere with Equation~\ref{eq:ols} and the number stays correct no matter how you edit.

5. Manage Citations with BibTeX

Store your references in a .bib file and cite them by key:

\usepackage{natbib}
% ...
As shown by \citet{smith2025}, the effect is robust.
 
\bibliographystyle{plainnat}
\bibliography{references}

LaTeX builds your reference list, formats it to the required style, and renumbers everything automatically.

6. Compile and Submit

Compiling locally means installing a multi-gigabyte TeX distribution and debugging path errors. With LetX, you compile to a polished PDF in the browser, share a live link with co-authors, and export clean source code for journal submission.

Start Writing Today

You now have the full skeleton of a research paper in LaTeX. The fastest way to go from here to a finished manuscript is to write in a real, collaborative LaTeX environment.

Open a blank document and start writing for free at LetX.app.