APA (7th ed.) Citation

Andrea, A. J. (2003). Encyclopedia of the crusades. Greenwood Press. https://doi.org/10.5040/9798216024811

Chicago Style (17th ed.) Citation

Andrea, Alfred J. Encyclopedia of the Crusades. Westport, Conn.: Greenwood Press, 2003. https://doi.org/10.5040/9798216024811.

MLA (9th ed.) Citation

Andrea, Alfred J. Encyclopedia of the Crusades. Greenwood Press, 2003. https://doi.org/10.5040/9798216024811.