APA (7th ed.) Citation

Winograd, T. (1971). Procedures as a representation for data in a computer program for understanding natural language. M.I.T., Project MAC.

Chicago Style (17th ed.) Citation

Winograd, Terry. Procedures as a Representation for Data in a Computer Program for Understanding Natural Language. Cambridge, Mass: M.I.T., Project MAC, 1971.

MLA (9th ed.) Citation

Winograd, Terry. Procedures as a Representation for Data in a Computer Program for Understanding Natural Language. M.I.T., Project MAC, 1971.