Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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