Cita APA (7a ed.)

Duff, E. G., & Hellinga, L. (2009). Printing in England in the fifteenth century. Bibliographical Society : The British Library.

Cita Chicago Style (17a ed.)

Duff, E. Gordon, y Lotte Hellinga. Printing in England in the Fifteenth Century. London: Bibliographical Society : The British Library, 2009.

Cita MLA (9a ed.)

Duff, E. Gordon, y Lotte Hellinga. Printing in England in the Fifteenth Century. Bibliographical Society : The British Library, 2009.