Cite

Fetch paper(s) from the provided link(s) and generate APA-format citations.

Input

$ARGUMENTS

Process

1. Fetch each URL and extract metadata (authors, year, title, venue, identifiers).
2. Format each as an APA citation with a direct link.
3. Return all citations to the user.

If no URLs are provided, ask the user for the paper link(s) to cite.