Cita APA (7a ed.)

Kittell, E. E. (1991). From "Ad hoc" to routine: A case study in medieval bureaucracy. University of Pennsylvania Press.

Cita Chicago Style (17a ed.)

Kittell, Ellen E. From "Ad Hoc" to Routine: A Case Study in Medieval Bureaucracy. Philadelphia: University of Pennsylvania Press, 1991.

Cita MLA (9a ed.)

Kittell, Ellen E. From "Ad Hoc" to Routine: A Case Study in Medieval Bureaucracy. University of Pennsylvania Press, 1991.