APA (7th ed.) Citation

Yin, Z., & Zhang, K. (2021). A Grey Seasonal Index Model for Forecasting Groundwater Depth of Ningxia Plain. Discrete Dynamics in Nature & Society, 1. https://doi.org/10.1155/2021/6872538

Chicago Style (17th ed.) Citation

Yin, Ziqi, and Kai Zhang. "A Grey Seasonal Index Model for Forecasting Groundwater Depth of Ningxia Plain." Discrete Dynamics in Nature & Society 2021: 1. https://doi.org/10.1155/2021/6872538.

MLA (9th ed.) Citation

Yin, Ziqi, and Kai Zhang. "A Grey Seasonal Index Model for Forecasting Groundwater Depth of Ningxia Plain." Discrete Dynamics in Nature & Society, 2021, p. 1, https://doi.org/10.1155/2021/6872538.