Style de citation APA (7e éd.)

Cheng, G., Sun, S., Zhou, L., & Wu, G. (2021). Using Smart Card Data of Metro Passengers to Unveil the Urban Spatial Structure: A Case Study of Xi’an, China. Hindawi Limited.

Style de citation Chicago (17e éd.)

Cheng, Guohong, Shichao Sun, Linlin Zhou, et Guanzhong Wu. Using Smart Card Data of Metro Passengers to Unveil the Urban Spatial Structure: A Case Study of Xi’an, China. Hindawi Limited, 2021.

Style de citation MLA (8e éd.)

Cheng, Guohong, et al. Using Smart Card Data of Metro Passengers to Unveil the Urban Spatial Structure: A Case Study of Xi’an, China. Hindawi Limited, 2021.