APA

Slesser H. H., . (1949). The Middle Ages in the West: a study of European unity. London: Hutchinson & Co.

Chicago

Slesser Henry Herman, . 1949. The Middle Ages in the West: a study of European unity. London: Hutchinson & Co.

Harvard

Slesser H. H., . (1949). The Middle Ages in the West: a study of European unity. London: Hutchinson & Co.

MLA

Slesser Henry Herman, . The Middle Ages in the West: a study of European unity. London: Hutchinson & Co. 1949.