Lamb, H. (1931). The crusades: The whole story of the crusades ; originally published in two volumes as "Iron men and saints" and "The flame of Islam". Doubleday.
Chicago Style (17th ed.) CitationLamb, Harold. The Crusades: The Whole Story of the Crusades ; Originally Published in Two Volumes as "Iron Men and Saints" and "The Flame of Islam". Garden City [u.a.]: Doubleday, 1931.
MLA (8th ed.) CitationLamb, Harold. The Crusades: The Whole Story of the Crusades ; Originally Published in Two Volumes as "Iron Men and Saints" and "The Flame of Islam". Doubleday, 1931.
Warning: These citations may not always be 100% accurate.