Sparrow, S. D., Cochran, V. L., & Sparrow, E. B. (1993). Herbage yield and nitrogen accumulation by seven legume crops on acid and neutral soils in a subarctic environment. Canadian Journal of Plant Science, 73(4), 1037.
Chicago Style (17th ed.) CitationSparrow, Stephen D., Verlan L. Cochran, and Elena B. Sparrow. "Herbage Yield and Nitrogen Accumulation by Seven Legume Crops on Acid and Neutral Soils in a Subarctic Environment." Canadian Journal of Plant Science 73, no. 4 (1993): 1037.
MLA (9th ed.) CitationSparrow, Stephen D., et al. "Herbage Yield and Nitrogen Accumulation by Seven Legume Crops on Acid and Neutral Soils in a Subarctic Environment." Canadian Journal of Plant Science, vol. 73, no. 4, 1993, p. 1037.
Warning: These citations may not always be 100% accurate.