APA (7th ed.) Citation

Runciman, S. (1952). A History of the crusades: Vol.II : The kingdom of Jerusalem and the frankish east 1100-1187. Penguin Books.

Chicago Style (17th ed.) Citation

Runciman, Steven. A History of the Crusades: Vol.II : The Kingdom of Jerusalem and the Frankish East 1100-1187. Penguin Books, 1952.

MLA (8th ed.) Citation

Runciman, Steven. A History of the Crusades: Vol.II : The Kingdom of Jerusalem and the Frankish East 1100-1187. Penguin Books, 1952.

Warning: These citations may not always be 100% accurate.