A complete beginner-friendly guide for Overleaf + LaTeX users

This repository provides a concise, step-by-step tutorial on how to manage references in LaTeX using .bib files.
It is written for students, researchers, and professionals who want to automate citations and bibliographies in Overleaf or any LaTeX environment.

The tutorial explains:

• What a .bib file is and how it works
• How to connect it to your main .tex file
• How to use \cite{} and compile references
• Common bibliography styles (ACS, RSC, Nature, etc.)
• Bonus tips on organising large .bib files and generating entries automatically