Rename Bibliography to References in LaTeX

If the Babel package is used,

For book or report class, add the following code in the preamble.

```\addto\captionsenglish{\renewcommand{\bibname}{References}}
```

For article class, add the following code in the preamble.

```\addto\captionsenglish{\renewcommand{\refname}{References}}
```

If the Babel package is NOT used,

For book or report class, add the following code in the preamble.

```\renewcommand{\bibname}{References}
```

For article class, add the following code in the preamble.

```\renewcommand{\refname}{References}
```