APA (7th ed.) Citation

HE, E., IC, B., & AR, M. (2001). Plant effects on nitrogen retention in shortgrass steppe 2 years after (15)N addition. Oecologia, 128(3), 422. https://doi.org/10.1007/s004420100670

Chicago Style (17th ed.) Citation

HE, Epstein, Burke IC, and Mosier AR. "Plant Effects on Nitrogen Retention in Shortgrass Steppe 2 years After (15)N Addition." Oecologia 128, no. 3 (2001): 422. https://doi.org/10.1007/s004420100670.

MLA (9th ed.) Citation

HE, Epstein, et al. "Plant Effects on Nitrogen Retention in Shortgrass Steppe 2 years After (15)N Addition." Oecologia, vol. 128, no. 3, 2001, p. 422, https://doi.org/10.1007/s004420100670.