Cita APA (7th ed.)

Wolfram, S. (1991). Mathematica: A system for doing mathematics by computer (2nd ed.). Addison-Wesley.

Cita Chicago (17th ed.)

Wolfram, Stephen. Mathematica: A System for Doing Mathematics by Computer. 2nd ed. Redwood City, Calif: Addison-Wesley, 1991.

Cita MLA (9th ed.)

Wolfram, Stephen. Mathematica: A System for Doing Mathematics by Computer. 2nd ed. Addison-Wesley, 1991.