APA (7th ed.) Citation

Davies, A., Criper, C., & Howarth, A. P. R. (1984). Interlanguage. Edinburgh University Press.

Chicago Style (17th ed.) Citation

Davies, A., C. Criper, and A. P. R. Howarth. Interlanguage. Edinburgh: Edinburgh University Press, 1984.

MLA (9th ed.) Citation

Davies, A., et al. Interlanguage. Edinburgh University Press, 1984.