APA-Zitierstil (7. Ausg.)

Cohen, P. R. (1974). A prototype natural language understanding system. Univ. of Toronto, Dep. of Computer Science.

Chicago-Zitierstil (17. Ausg.)

Cohen, Philip R. A Prototype Natural Language Understanding System. Toronto: Univ. of Toronto, Dep. of Computer Science, 1974.

MLA-Zitierstil (9. Ausg.)

Cohen, Philip R. A Prototype Natural Language Understanding System. Univ. of Toronto, Dep. of Computer Science, 1974.