APA (7th ed.) Citation

Southern, R. W. (1970). Western society and the church in the Middle Ages / by R.W. Southern. Penguin.

Chicago Style (17th ed.) Citation

Southern, R. W. Western Society and the Church in the Middle Ages / by R.W. Southern. Penguin, 1970.

MLA (9th ed.) Citation

Southern, R. W. Western Society and the Church in the Middle Ages / by R.W. Southern. Penguin, 1970.

Warning: These citations may not always be 100% accurate.