{"source":"book","style":"apa","contributors": [{"function":"author","last":"Runciman","first":"Steven"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"A history of the Crusades","publisher":"Cambridge University Press","city":"Cambridge [England]; New York","year":"1987"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"17461930","isbn":"052134770X 9780521347709 0521347718 9780521347716 0521347726 9780521347723"}