Franklin

MLA

Ker, N. R. Medieval Libraries of Great Britain: a List of Surviving Books. 2d ed. London: Offices of the Royal Historical Society, 1964.

APA

Ker, N. R. (1964). Medieval libraries of Great Britain: a list of surviving books. 2d ed. London: Offices of the Royal Historical Society.

Chicago

Ker, N. R. Medieval Libraries of Great Britain: A List of Surviving Books. 2d ed. London: Offices of the Royal Historical Society, 1964.