TIERNEY, B. (1964). The crisis of church and state 1050 - 1300. Prentice-Hall.
Cita Chicago Style (17a ed.)TIERNEY, Brian. The Crisis of Church and State 1050 - 1300. New Jersey: Prentice-Hall, 1964.
Cita MLA (9a ed.)TIERNEY, Brian. The Crisis of Church and State 1050 - 1300. Prentice-Hall, 1964.
Precaución: Estas citas no son 100% exactas.