APA (7th ed.) Citation

Gregory VII, P., & Cowdrey, H. E. J. (2002). The register of Pope Gregory VII, 1073-1085: An English translation. Oxford University Press.

Chicago Style (17th ed.) Citation

Gregory VII, Pope, and H. E. J. Cowdrey. The Register of Pope Gregory VII, 1073-1085: An English Translation. Oxford ; New York: Oxford University Press, 2002.

MLA (9th ed.) Citation

Gregory VII, Pope, and H. E. J. Cowdrey. The Register of Pope Gregory VII, 1073-1085: An English Translation. Oxford University Press, 2002.