APA (7th ed.) Citation

Goldberg, A., & Robson, D. (1989). Smalltalk - 80: The Language. Addison-Wesley.

Chicago Style (17th ed.) Citation

Goldberg, Adele, and David Robson. Smalltalk - 80: The Language. Reading MA: Addison-Wesley, 1989.

MLA (8th ed.) Citation

Goldberg, Adele, and David Robson. Smalltalk - 80: The Language. Addison-Wesley, 1989.

Warning: These citations may not always be 100% accurate.