Cita APA (7a ed.)

Estados Unidos. National Aeronautics and Space Administration & Estados Unidos. National Bureau of Standards. (1982). An overview of expert systems. National Aeronautics and Space Administration.

Cita Chicago Style (17a ed.)

Estados Unidos. National Aeronautics and Space Administration y Estados Unidos. National Bureau of Standards. An Overview of Expert Systems. Washington, DC: National Aeronautics and Space Administration, 1982.

Cita MLA (9a ed.)

Estados Unidos. National Aeronautics and Space Administration y Estados Unidos. National Bureau of Standards. An Overview of Expert Systems. National Aeronautics and Space Administration, 1982.