Cita APA (7th ed.)

Frassetto, M., Gabriele, M., Hosler, J. D., & Callahan, D. F. (2014). Where heaven and earth meet: Essays on medieval Europe in honor of Daniel F. Callahan. Brill.

Cita Chicago (17th ed.)

Frassetto, Michael, Matthew Gabriele, John D. Hosler, i Daniel F. Callahan. Where Heaven and Earth Meet: Essays on Medieval Europe in Honor of Daniel F. Callahan. Leiden, The Netherlands: Brill, 2014.

Cita MLA (9th ed.)

Frassetto, Michael, et al. Where Heaven and Earth Meet: Essays on Medieval Europe in Honor of Daniel F. Callahan. Brill, 2014.