APA (7th ed.) Citation

Salzman, L. F. (1927). English life in the middle ages. Oxford University Pr.

Chicago Style (17th ed.) Citation

Salzman, L. F. English Life in the Middle Ages. London: Oxford University Pr, 1927.

MLA (9th ed.) Citation

Salzman, L. F. English Life in the Middle Ages. Oxford University Pr, 1927.