APA (7th ed.) Citation

British Library & Jensen, K. (2003). Incunabula and their readers: Printing, selling and using books in the Fifteenth Century. British Library.

Chicago Style (17th ed.) Citation

British Library and Kristian Jensen. Incunabula and Their Readers: Printing, Selling and Using Books in the Fifteenth Century. London: British Library, 2003.

MLA (9th ed.) Citation

British Library and Kristian Jensen. Incunabula and Their Readers: Printing, Selling and Using Books in the Fifteenth Century. British Library, 2003.