APA (7th ed.) Citation

Sun, X., & Ren, Z. (2011). A Multi-denomination Electronic Invoice Protocol. 2011 International Conference on Intelligence Science and Information Engineering, Intelligence Science and Information Engineering (ISIE), 2011 International Conference on, 127-129. https://doi.org/10.1109/ISIE.2011.73

Chicago Style (17th ed.) Citation

Sun, Xiao-han, and Zhi-bin Ren. "A Multi-denomination Electronic Invoice Protocol." 2011 International Conference on Intelligence Science and Information Engineering, Intelligence Science and Information Engineering (ISIE), 2011 International Conference on 2011: 127-129. https://doi.org/10.1109/ISIE.2011.73.

MLA (9th ed.) Citation

Sun, Xiao-han, and Zhi-bin Ren. "A Multi-denomination Electronic Invoice Protocol." 2011 International Conference on Intelligence Science and Information Engineering, Intelligence Science and Information Engineering (ISIE), 2011 International Conference on, 2011, pp. 127-129, https://doi.org/10.1109/ISIE.2011.73.

Warning: These citations may not always be 100% accurate.