P. Aguirre Herráinz, “Si vis pacem, para bellum. Reseña de William Mulligan, The Origins of the First World War. Cambridge: Cambridge University Press, 2017, 259 pp”., Historiografias, no. 15, pp. 142–147, Jul. 2018, doi: 10.26754/ojs_historiografias/hrht.2018152896.