Cita APA (7th ed.)

Tierney, B. (1964). The crisis of church & state, 1050-1300. With selected documents. Prentice-Hall.

Cita Chicago (17th ed.)

Tierney, Brian. The Crisis of Church & State, 1050-1300. With Selected Documents. Englewood Cliffs, N.J: Prentice-Hall, 1964.

Cita MLA (9th ed.)

Tierney, Brian. The Crisis of Church & State, 1050-1300. With Selected Documents. Prentice-Hall, 1964.