APA
Sayles G., . (1952). The medieval foundations of England. London: Methuen & Co.
Chicago
Sayles G.O, . 1952. The medieval foundations of England. London: Methuen & Co.
Harvard
Sayles G., . (1952). The medieval foundations of England. London: Methuen & Co.
MLA
Sayles G.O, . The medieval foundations of England. London: Methuen & Co. 1952.
