Cita APA (7a ed.)

López-Portillo, J. (2013). Spain, Portugal and the Atlantic frontier of medieval Europe. Ashgate-Variorum.

Cita Chicago Style (17a ed.)

López-Portillo, José-Juan. Spain, Portugal and the Atlantic Frontier of Medieval Europe. Farnham [etc.]: Ashgate-Variorum, 2013.

Cita MLA (9a ed.)

López-Portillo, José-Juan. Spain, Portugal and the Atlantic Frontier of Medieval Europe. Ashgate-Variorum, 2013.