APA (7th ed.) Citation

Trachsel, S., Kaeppler, S., Brown, K., & Lynch, J. (2013). Maize root growth angles become steeper under low N conditions. Field crops research, 140, 18-31. https://doi.org/10.1016/j.fcr.2012.09.010

Chicago Style (17th ed.) Citation

Trachsel, S., S.M Kaeppler, K.M Brown, and J.P Lynch. "Maize Root Growth Angles Become Steeper Under Low N Conditions." Field Crops Research 140 (2013): 18-31. https://doi.org/10.1016/j.fcr.2012.09.010.

MLA (9th ed.) Citation

Trachsel, S., et al. "Maize Root Growth Angles Become Steeper Under Low N Conditions." Field Crops Research, vol. 140, 2013, pp. 18-31, https://doi.org/10.1016/j.fcr.2012.09.010.