Farrell, J. (2020). The clock and the camshaft: And other medieval inventions we still can't live without. Prometheus Books.
Chicago-Zitierstil (17. Ausg.)Farrell, John. The Clock and the Camshaft: And Other Medieval Inventions We Still Can't Live Without. Guilford, Connecticut: Prometheus Books, 2020.
MLA-Zitierstil (9. Ausg.)Farrell, John. The Clock and the Camshaft: And Other Medieval Inventions We Still Can't Live Without. Prometheus Books, 2020.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.