Cita APA (7a ed.)

Peckham, J. (1989). Recent developments and applications of natural language processing. GP.

Cita Chicago Style (17a ed.)

Peckham, Jeremy. Recent Developments and Applications of Natural Language Processing. Columbia, Maryland: GP, 1989.

Cita MLA (9a ed.)

Peckham, Jeremy. Recent Developments and Applications of Natural Language Processing. GP, 1989.