APA (7th ed.) Citation

Chang, Y. C., Seman, K., & Yunus, J. (2000). A tracable proactive anonymous electronic cash.

Chicago Style (17th ed.) Citation

Chang, Yu Cheng, Kamaruzzaman Seman, and Jasmy Yunus. A Tracable Proactive Anonymous Electronic Cash. 2000.

MLA (9th ed.) Citation

Chang, Yu Cheng, et al. A Tracable Proactive Anonymous Electronic Cash. 2000.