APA (7th ed.) Citation

MA, W., FM, P., DA, S., RD, E., PC, H., BD, N., & RG, S. (2003). A reservoir of nitrate beneath desert soils. Science (New York, N.Y.), 302(5647), 1021. https://doi.org/10.1126/science.1086435

Chicago Style (17th ed.) Citation

MA, Walvoord, Phillips FM, Stonestrom DA, Evans RD, Hartsough PC, Newman BD, and Striegl RG. "A Reservoir of Nitrate Beneath Desert Soils." Science (New York, N.Y.) 302, no. 5647 (2003): 1021. https://doi.org/10.1126/science.1086435.

MLA (9th ed.) Citation

MA, Walvoord, et al. "A Reservoir of Nitrate Beneath Desert Soils." Science (New York, N.Y.), vol. 302, no. 5647, 2003, p. 1021, https://doi.org/10.1126/science.1086435.