APA (7th ed.) Citation

Van Engen, J. H. (1983). Rupert of Deutz. University of California Press.

Chicago Style (17th ed.) Citation

Van Engen, John H. Rupert of Deutz. Berkeley: University of California Press, 1983.

MLA (8th ed.) Citation

Van Engen, John H. Rupert of Deutz. University of California Press, 1983.