APA (7th ed.) Citation

Boffey, J., & Edwards, A. S. G. (2005). A new index of Middle English verse. British Library.

Chicago Style (17th ed.) Citation

Boffey, Julia, and A. S. G. Edwards. A New Index of Middle English Verse. London: British Library, 2005.

MLA (9th ed.) Citation

Boffey, Julia, and A. S. G. Edwards. A New Index of Middle English Verse. British Library, 2005.