APA (7th ed.) Citation

Zhang, Y., & Ye, A. (2021). Would the obtainable gross primary productivity (GPP) products stand up? A critical assessment of 45 global GPP products. The Science of the total environment, 783, 146965. https://doi.org/10.1016/j.scitotenv.2021.146965

Chicago Style (17th ed.) Citation

Zhang, Yahai, and Aizhong Ye. "Would the Obtainable Gross Primary Productivity (GPP) Products Stand Up? A Critical Assessment of 45 Global GPP Products." The Science of the Total Environment 783 (2021): 146965. https://doi.org/10.1016/j.scitotenv.2021.146965.

MLA (9th ed.) Citation

Zhang, Yahai, and Aizhong Ye. "Would the Obtainable Gross Primary Productivity (GPP) Products Stand Up? A Critical Assessment of 45 Global GPP Products." The Science of the Total Environment, vol. 783, 2021, p. 146965, https://doi.org/10.1016/j.scitotenv.2021.146965.