APA (7th ed.) Citation

DF, H., & MB, P. (1990). Ureide assay for measuring nitrogen fixation by nodulated soybean calibrated by N methods. Plant physiology, 93(2), 495. https://doi.org/10.1104/pp.93.2.495

Chicago Style (17th ed.) Citation

DF, Herridge, and Peoples MB. "Ureide Assay for Measuring Nitrogen Fixation by Nodulated Soybean Calibrated by N Methods." Plant Physiology 93, no. 2 (1990): 495. https://doi.org/10.1104/pp.93.2.495.

MLA (9th ed.) Citation

DF, Herridge, and Peoples MB. "Ureide Assay for Measuring Nitrogen Fixation by Nodulated Soybean Calibrated by N Methods." Plant Physiology, vol. 93, no. 2, 1990, p. 495, https://doi.org/10.1104/pp.93.2.495.