APA (7th ed.) Citation

Madden, T. F. (1999). A concise history of the crusades. Critical issues in history.

Chicago Style (17th ed.) Citation

Madden, Thomas F. "A Concise History of the Crusades." Critical Issues in History 1999.

MLA (8th ed.) Citation

Madden, Thomas F. "A Concise History of the Crusades." Critical Issues in History, 1999.

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