Cita APA (7th ed.)

Hays, D. G. (1967). Introduction to computational linguistics. American Elsevier Pub.

Cita Chicago (17th ed.)

Hays, David G. Introduction to Computational Linguistics. New York: American Elsevier Pub, 1967.

Cita MLA (9th ed.)

Hays, David G. Introduction to Computational Linguistics. American Elsevier Pub, 1967.