Tyerman, C. (1998). The invention of the Crusades (1st pub.). Macmillan Press.
Cita Chicago Style (17a ed.)Tyerman, Christopher. The Invention of the Crusades. 1st pub. Basingstoke [etc.]: Macmillan Press, 1998.
Cita MLA (9a ed.)Tyerman, Christopher. The Invention of the Crusades. 1st pub. Macmillan Press, 1998.
Precaución: Estas citas no son 100% exactas.