Gaya APA

Ma, X. et al (2016). Longitudinal Stiffness of Multi span Suspension Bridges (Volume 21, issue 5, 2016). : ASCE Library.

Gaya MLA

Ma, Xiaowei. et al. "Longitudinal Stiffness of Multi span Suspension Bridges". Volume 21, issue 5, 2016 : ASCE Library, 2016. Text.