APA (7th ed.) Citation

Singh Khuman, A., Yang, Y., John, R., & Liu, S. (2016). R-fuzzy sets and grey system theory.

Chicago Style (17th ed.) Citation

Singh Khuman, Arjab, Yingjie Yang, Robert John, and Sifeng Liu. R-fuzzy Sets and Grey System Theory. 2016.

MLA (9th ed.) Citation

Singh Khuman, Arjab, et al. R-fuzzy Sets and Grey System Theory. 2016.