Cita APA (7a ed.)

Harvey, P. D. A. (1991). Medieval maps ([1st pub.].). British Library.

Cita Chicago Style (17a ed.)

Harvey, P. D. A. Medieval Maps. [1st pub.]. London: British Library, 1991.

Cita MLA (9a ed.)

Harvey, P. D. A. Medieval Maps. [1st pub.]. British Library, 1991.