bluebook.py

from datetime import datetime

def bluebook_full(r):
    return (
        f"{r['agency']}, {r['title']}, "
        f"FOIA Electronic Reading Room, "
        f"{r['url']} "
        f"(retrieved {datetime.utcnow().strftime('%b %d, %Y')})."
    )

def bluebook_exhibit(r, exhibit):
    return f"{exhibit}. {bluebook_full(r)}"