Cita APA (7a ed.)

Pulman, S., & Ritchie, G. (1987). The SRI Core Language Engine project: The grammar. Centre for Cognitive Science‚ Edinburgh‚ and Institute for Language‚ Logic and Information‚ Amsterdam.

Cita Chicago Style (17a ed.)

Pulman, S., y G. Ritchie. The SRI Core Language Engine Project: The Grammar. Centre for Cognitive Science‚ Edinburgh‚ and Institute for Language‚ Logic and Information‚ Amsterdam, 1987.

Cita MLA (9a ed.)

Pulman, S., y G. Ritchie. The SRI Core Language Engine Project: The Grammar. Centre for Cognitive Science‚ Edinburgh‚ and Institute for Language‚ Logic and Information‚ Amsterdam, 1987.