APA (7th ed.) Citation

Lewis, R. E., & Williams, M. J. (1984). Middle English dictionary plan and bibliography. Supplement I. University of Michigan Press.

Chicago Style (17th ed.) Citation

Lewis, Robert E., and Mary Jane Williams. Middle English Dictionary Plan and Bibliography. Supplement I. Ann Arbor: University of Michigan Press, 1984.

MLA (9th ed.) Citation

Lewis, Robert E., and Mary Jane Williams. Middle English Dictionary Plan and Bibliography. Supplement I. University of Michigan Press, 1984.