APA (7th ed.) Citation

Lacey, H., & Lambert, T. (2009). Protection and Immunity in Later Medieval England. Pontifical Institute of Mediaeval Studies.

Chicago Style (17th ed.) Citation

Lacey, H., and T. Lambert. Protection and Immunity in Later Medieval England. Pontifical Institute of Mediaeval Studies, 2009.

MLA (9th ed.) Citation

Lacey, H., and T. Lambert. Protection and Immunity in Later Medieval England. Pontifical Institute of Mediaeval Studies, 2009.

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