APA (7th ed.) Citation

Digitalk, Inc. (1988). Smalltalk/V 286 [Object-Oriented Programming System (OOPS)]: Tutorial and programming handbook. Digitalk Inc..

Chicago Style (17th ed.) Citation

Digitalk, Inc. Smalltalk/V 286 [Object-Oriented Programming System (OOPS)]: Tutorial and Programming Handbook. Los Angeles, CA (9841 Airport Blvd., Los Angeles, CA 90045): Digitalk Inc., 1988.

MLA (9th ed.) Citation

Digitalk, Inc. Smalltalk/V 286 [Object-Oriented Programming System (OOPS)]: Tutorial and Programming Handbook. Digitalk Inc., 1988.