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, George Osborne. The Medieval Foundations of England. [2nd ed., rev. and with new introductory chapter. [London]: Methuen, 1950.

MLA (9th ed.) Citation

Sayles, George Osborne. The Medieval Foundations of England. [2nd ed., rev. and with new introductory chapter. Methuen, 1950.