Chang, A. R., Wang, C.-C & Cowan, R. F. (2018, 25. May). System and method for activity monitoring eyeware and head apparel. Zugriff unter http://www.freepatentsonline.com/y2018/0125423.html
APA-Zitierstil (7. Ausg.)Chang, A. R., Wang, C., & Cowan, R. F. (2018). System and method for activity monitoring eyeware and head apparel. Free Patents Online: United States Patent Application 20180125423, 20180125423, 1-28.
Chicago-Zitierstil (17. Ausg.)Chang, A. R., C.-C Wang, und R. F. Cowan. "System and Method for Activity Monitoring Eyeware and Head Apparel." Free Patents Online: United States Patent Application 20180125423 20180125423 (2018): 1-28.
MLA-Zitierstil (9. Ausg.)Chang, A. R., et al. "System and Method for Activity Monitoring Eyeware and Head Apparel." Free Patents Online: United States Patent Application 20180125423, 20180125423, 2018, pp. 1-28.