APA (7th ed.) Citation

Horobin, S., & Smith, J. J. (2002). An introduction to Middle English. Oxford University Press.

Chicago Style (17th ed.) Citation

Horobin, Simon, and J. J. Smith. An Introduction to Middle English. New York: Oxford University Press, 2002.

MLA (9th ed.) Citation

Horobin, Simon, and J. J. Smith. An Introduction to Middle English. Oxford University Press, 2002.