APA (7th ed.) Citation

Packard, S. R. (1968). Europe and the church under Innocent III (rev. ed.). Russell Russell.

Chicago Style (17th ed.) Citation

Packard, Sidney R. Europe and the Church Under Innocent III. rev. ed. New York: Russell Russell, 1968.

MLA (8th ed.) Citation

Packard, Sidney R. Europe and the Church Under Innocent III. rev. ed. Russell Russell, 1968.