APA (7th ed.) Citation

Brown, C., Robbins, R. H., & Cutler, J. L. (1943). The index of Middle English verse.

Chicago Style (17th ed.) Citation

Brown, Carleton, Rossell Hope Robbins, and John Levi Cutler. The Index of Middle English Verse. 1943.

MLA (9th ed.) Citation

Brown, Carleton, et al. The Index of Middle English Verse. 1943.