APA Style

Xu, G, L. et al (2015). Analytic Curve Frequency-Sweeping Stability Tests for Systems with Commensurate Delays (Ed. 1). Cham, Switzerland: Springer Cham.

MLA Style

Xu, GUANG, LI,. et al. "Analytic Curve Frequency-Sweeping Stability Tests for Systems with Commensurate Delays". Ed. 1 Cham, Switzerland: Springer Cham, 2015. Text.