APA (7th ed.) Citation

Chen, Y., Germain, C. A., & Rorissa, A. (2011). Defining Usability: How Library Practice Differs from Published Research.

Chicago Style (17th ed.) Citation

Chen, Yu-Hui, Carol Anne Germain, and Abebe Rorissa. Defining Usability: How Library Practice Differs from Published Research. 2011.

MLA (9th ed.) Citation

Chen, Yu-Hui, et al. Defining Usability: How Library Practice Differs from Published Research. 2011.