APA (7th ed.) Citation

Riley-Smith, J. S. C. (2009). The first crusade and the idea of crusading ; with a new introd (2. ed.). Continuum.

Chicago Style (17th ed.) Citation

Riley-Smith, Jonathan Simon Christopher. The First Crusade and the Idea of Crusading ; with a New Introd. 2. ed. London [u.a.]: Continuum, 2009.

MLA (9th ed.) Citation

Riley-Smith, Jonathan Simon Christopher. The First Crusade and the Idea of Crusading ; with a New Introd. 2. ed. Continuum, 2009.