APA Edition Citation

Hopper, P. J., & Traugott, E. C. (1993). Grammaticalization. Cambridge University Press.

Chicago Edition Citation

Hopper, Paul J., and Elizabeth Closs Traugott. Grammaticalization. UK: Cambridge University Press, 1993.

MLA Edition Citation

Hopper, Paul J., and Elizabeth Closs Traugott. Grammaticalization. Cambridge University Press, 1993.