APA (7th ed.) Citation

Duran, F., & Pernoud, R. (1959). In the steps of the crusaders. Hastings House.

Chicago Style (17th ed.) Citation

Duran, Frédérique, and Régine Pernoud. In the Steps of the Crusaders. New York: Hastings House, 1959.

MLA (9th ed.) Citation

Duran, Frédérique, and Régine Pernoud. In the Steps of the Crusaders. Hastings House, 1959.