def bluebook_citation(result):
    """
    Formats a public FOIA document reference.
    This is citation formatting ONLY, not legal advice.
    """
    title = result.get("title", "Untitled Document")
    agency = result.get("agency", "U.S. Government")
    date = result.get("date", "n.d.")
    url = result.get("url", "")

    return f"{title}, {agency} (released {date}), {url}"