Cita APA (7a ed.)

Hamilton, B. (1979). Monastic reform, Catharism, and the Crusades, (900-1300). Variorum Reprints.

Cita Chicago Style (17a ed.)

Hamilton, Bernard. Monastic Reform, Catharism, and the Crusades, (900-1300). London: Variorum Reprints, 1979.

Cita MLA (9a ed.)

Hamilton, Bernard. Monastic Reform, Catharism, and the Crusades, (900-1300). Variorum Reprints, 1979.