@book{17878,
	author = {Runciman, Steven, and Runciman, Steven,},
	title = {The First Crusade /},
	publisher = {Cambridge University Press,},
	year = {1980.},
	address = {Cambridge ;},
	edition = {Abridged ed.},
	note = {Originally published in 1951-54 as v. 1 of the author's A history of the Crusades.}
}