APA (7th ed.) Citation

Stephen, D., Shahren, A. Z. A., & Ng, G. W. (2015). System Usability Scale Formula as Alternative for Calculating Composite Score of Likert-type Items.

Chicago Style (17th ed.) Citation

Stephen, Donald, Ahmad Zaidi Adruce Shahren, and Giap Weng Ng. System Usability Scale Formula as Alternative For Calculating Composite Score of Likert-type Items. 2015.

MLA (9th ed.) Citation

Stephen, Donald, et al. System Usability Scale Formula as Alternative For Calculating Composite Score of Likert-type Items. 2015.