APA (7th ed.) Citation
Wolfram, S. Mathematica: A system for doing mathematics by computer (2.ed.). Addison-Wesley Publishing Company.
Chicago Style (17th ed.) Citation
Wolfram, Stephen. Mathematica: A System for Doing Mathematics by Computer. 2.ed. Reading: Addison-Wesley Publishing Company.
MLA (9th ed.) Citation
Wolfram, Stephen. Mathematica: A System for Doing Mathematics by Computer. 2.ed. Addison-Wesley Publishing Company.
Warning: These citations may not always be 100% accurate.