APA

Strayer J. R., . (1970). On the medieval origins of the modern state. Princeton: Princeton University Press.

Chicago

Strayer Joseph R, . 1970. On the medieval origins of the modern state. Princeton: Princeton University Press.

Harvard

Strayer J. R., . (1970). On the medieval origins of the modern state. Princeton: Princeton University Press.

MLA

Strayer Joseph R, . On the medieval origins of the modern state. Princeton: Princeton University Press. 1970.