APA (7th ed.) Citation

Sayles, G. O. (1950). The medieval foundations of England (2nd ed., rev. and with new introductory chapter.). Methuen.

Chicago Style (17th ed.) Citation

Sayles, G. O. The Medieval Foundations of England. 2nd ed., rev. and with new introductory chapter. London: Methuen, 1950.

MLA (9th ed.) Citation

Sayles, G. O. The Medieval Foundations of England. 2nd ed., rev. and with new introductory chapter. Methuen, 1950.