APA (7th ed.) Citation

Duff, E. G., & Hellinga, L. (2009). Printing in England in the fifteenth century: E. Gordon Duff's bibliography, with supplementary descriptions, chronologies and a census of copies. Bibliographical Society : The British Library.

Chicago Style (17th ed.) Citation

Duff, E. Gordon, and Lotte Hellinga. Printing in England in the Fifteenth Century: E. Gordon Duff's Bibliography, with Supplementary Descriptions, Chronologies and a Census of Copies. London: Bibliographical Society : The British Library, 2009.

MLA (9th ed.) Citation

Duff, E. Gordon, and Lotte Hellinga. Printing in England in the Fifteenth Century: E. Gordon Duff's Bibliography, with Supplementary Descriptions, Chronologies and a Census of Copies. Bibliographical Society : The British Library, 2009.