APA (7th ed.) Citation

British Library & Whitehead, H. G. (1997). Eighteenth-century Spanish chapbooks in the British Library: A descriptive catalogue. British Library.

Chicago Style (17th ed.) Citation

British Library and Harold G. Whitehead. Eighteenth-century Spanish Chapbooks in the British Library: A Descriptive Catalogue. London: British Library, 1997.

MLA (9th ed.) Citation

British Library and Harold G. Whitehead. Eighteenth-century Spanish Chapbooks in the British Library: A Descriptive Catalogue. British Library, 1997.