APA (7th ed.) Citation
Fowler, S. L., & Stanwick, V. R. (1995). <The> GUI style guide. AP Professional.
Chicago Style (17th ed.) Citation
Fowler, Susan L., and Victor R. Stanwick. <The> GUI Style Guide. Boston: AP Professional, 1995.
MLA (9th ed.) Citation
Fowler, Susan L., and Victor R. Stanwick. <The> GUI Style Guide. AP Professional, 1995.
Warning: These citations may not always be 100% accurate.