APA (7th ed.) Citation

Harbert, J. A. (1987). An environment for the rapid prototyping of user interfaces. [publisher not identified].

Chicago Style (17th ed.) Citation

Harbert, Joe Andrew. An Environment for the Rapid Prototyping of User Interfaces. [Place of publication not identified]: [publisher not identified], 1987.

MLA (9th ed.) Citation

Harbert, Joe Andrew. An Environment for the Rapid Prototyping of User Interfaces. [publisher not identified], 1987.