APA (7th ed.) Citation

Siebert, S., & Ewert, F. (2014). Future crop production threatened by extreme heat. Environmental research letters, 9(4), 41001-4. https://doi.org/10.1088/1748-9326/9/4/041001

Chicago Style (17th ed.) Citation

Siebert, Stefan, and Frank Ewert. "Future Crop Production Threatened by Extreme Heat." Environmental Research Letters 9, no. 4 (2014): 41001-4. https://doi.org/10.1088/1748-9326/9/4/041001.

MLA (9th ed.) Citation

Siebert, Stefan, and Frank Ewert. "Future Crop Production Threatened by Extreme Heat." Environmental Research Letters, vol. 9, no. 4, 2014, pp. 41001-4, https://doi.org/10.1088/1748-9326/9/4/041001.