Lang, B., & Kaiser, W. M. (1994). Solute content and energy status of roots of barley plants cultivated at different pH on nitrate- or ammonium-nitrogen. New Phytologist, 128(3), 451. https://doi.org/10.1111/j.1469-8137.1994.tb02991.x
Chicago Style (17th ed.) CitationLang, Barbara, and Werner M. Kaiser. "Solute Content and Energy Status of Roots of Barley Plants Cultivated at Different PH on Nitrate- or Ammonium-nitrogen." New Phytologist 128, no. 3 (1994): 451. https://doi.org/10.1111/j.1469-8137.1994.tb02991.x.
MLA (9th ed.) CitationLang, Barbara, and Werner M. Kaiser. "Solute Content and Energy Status of Roots of Barley Plants Cultivated at Different PH on Nitrate- or Ammonium-nitrogen." New Phytologist, vol. 128, no. 3, 1994, p. 451, https://doi.org/10.1111/j.1469-8137.1994.tb02991.x.