APA (7th ed.) Citation

Barfield, L. (1993). The user interface: Concepts & design (1. printed.). Addison-Wesley.

Chicago Style (17th ed.) Citation

Barfield, Lon. The User Interface: Concepts & Design. 1. printed. Wokingham u.a: Addison-Wesley, 1993.

MLA (9th ed.) Citation

Barfield, Lon. The User Interface: Concepts & Design. 1. printed. Addison-Wesley, 1993.

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