Cita APA (7a ed.)

Kehnel, A., & Ipsen, G. (2024). The green ages: Medieval innovations in sustainability. Brandeis University Press.

Cita Chicago Style (17a ed.)

Kehnel, Annette, y Gesche Ipsen. The Green Ages: Medieval Innovations in Sustainability. Waltham, Massachusetts: Brandeis University Press, 2024.

Cita MLA (9a ed.)

Kehnel, Annette, y Gesche Ipsen. The Green Ages: Medieval Innovations in Sustainability. Brandeis University Press, 2024.