MLA

Urbach, and Qifeng Yu. 5th International Symposium of Space Optical Instruments and Applications: Beijing, China, September 5–7, 2018. Springer International Publishing, 2020.

APA

Urbach, U., & Yu, Q. (2020). 5th International Symposium of Space Optical Instruments and Applications: Beijing, China, September 5–7, 2018. Springer International Publishing.

Chicago

Urbach, and Qifeng Yu. 5th International Symposium of Space Optical Instruments and Applications: Beijing, China, September 5–7, 2018. : Springer International Publishing, 2020.