Cita APA (7a ed.)

Wolfram Research. (1999). Mathematica 4.0: Standard add-on packages. Wolfram Research.

Cita Chicago Style (17a ed.)

Wolfram Research. Mathematica 4.0: Standard Add-on Packages. Champaign, Illinois: Wolfram Research, 1999.

Cita MLA (9a ed.)

Wolfram Research. Mathematica 4.0: Standard Add-on Packages. Wolfram Research, 1999.