Cita APA (7a ed.)

Wakefield, W. L., & Evans, A. P. (1991). Heresies of the high middle ages. Columbia University Press.

Cita Chicago Style (17a ed.)

Wakefield, Walter L., y Austin P. Evans. Heresies of the High Middle Ages. New York: Columbia University Press, 1991.

Cita MLA (9a ed.)

Wakefield, Walter L., y Austin P. Evans. Heresies of the High Middle Ages. Columbia University Press, 1991.