APA (7th ed.) Citation

Sells, P., Shieber, S. M., & Wasow, T. (1991). Foundational issues in natural language processing. MIT Press.

Chicago Style (17th ed.) Citation

Sells, Peter, Stuart M. Shieber, and Thomas Wasow. Foundational Issues in Natural Language Processing. Cambridge, Mass.: MIT Press, 1991.

MLA (9th ed.) Citation

Sells, Peter, et al. Foundational Issues in Natural Language Processing. MIT Press, 1991.