APA (7th ed.) Citation

Schmidhuber, J., & Tubiello, F. N. (2007). Global food security under climate change. Proceedings of the National Academy of Sciences - PNAS, 104(50), 19703-19708. https://doi.org/10.1073/pnas.0701976104

Chicago Style (17th ed.) Citation

Schmidhuber, Josef, and Francesco N. Tubiello. "Global Food Security Under Climate Change." Proceedings of the National Academy of Sciences - PNAS 104, no. 50 (2007): 19703-19708. https://doi.org/10.1073/pnas.0701976104.

MLA (9th ed.) Citation

Schmidhuber, Josef, and Francesco N. Tubiello. "Global Food Security Under Climate Change." Proceedings of the National Academy of Sciences - PNAS, vol. 104, no. 50, 2007, pp. 19703-19708, https://doi.org/10.1073/pnas.0701976104.