APA (7th ed.) Citation

Yang, F., Tang, X., Gan, Y., Zhang, X., Li, J., & Han, X. Forecast of Freight Volume in Xi’an Based on Gray GM (1, 1) Model and Markov Forecasting Model. Wiley.

Chicago Style (17th ed.) Citation

Yang, Fan, Xiaoying Tang, Yingxin Gan, Xindan Zhang, Jianchang Li, and Xin Han. Forecast of Freight Volume in Xi’an Based on Gray GM (1, 1) Model and Markov Forecasting Model. Wiley.

MLA (9th ed.) Citation

Yang, Fan, et al. Forecast of Freight Volume in Xi’an Based on Gray GM (1, 1) Model and Markov Forecasting Model. Wiley.