Cita APA (7a ed.)

Williams, S., & Fuhrmann, H. (1971). Codices pseudo-isidoriani: A paleographico-historical study. Fordham University Press.

Cita Chicago Style (17a ed.)

Williams, Schafer, y Horst Fuhrmann. Codices Pseudo-isidoriani: A Paleographico-historical Study. New York: Fordham University Press, 1971.

Cita MLA (9a ed.)

Williams, Schafer, y Horst Fuhrmann. Codices Pseudo-isidoriani: A Paleographico-historical Study. Fordham University Press, 1971.