Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Sells, Peter, Stuart M. Shieber, y Thomas Wasow. Foundational Issues in Natural Language Processing. Cambridge (Massachusetts) [etc.]: MIT, 1991.

Cita MLA (9a ed.)

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