APA (7th ed.) Citation

Chen, Y., Rorissa, A., & Germain, C. A. (2015). Usability Definitions in a Dynamically Changing Information Environment.

Chicago Style (17th ed.) Citation

Chen, Yu-Hui, Abebe Rorissa, and Carol Anne Germain. Usability Definitions in a Dynamically Changing Information Environment. 2015.

MLA (9th ed.) Citation

Chen, Yu-Hui, et al. Usability Definitions in a Dynamically Changing Information Environment. 2015.