APA
Tierney B., . (1980). The crisis of Church & State, 1050-1300. Englewood Cliffs: Prentice-Hall.
Chicago
Tierney Brian, . 1980. The crisis of Church & State, 1050-1300. Englewood Cliffs: Prentice-Hall.
Harvard
Tierney B., . (1980). The crisis of Church & State, 1050-1300. Englewood Cliffs: Prentice-Hall.
MLA
Tierney Brian, . The crisis of Church & State, 1050-1300. Englewood Cliffs: Prentice-Hall. 1980.
