APA (7th ed.) Citation

Feigenbaum, L., Herman, I., Hongsermeier, T., Neumann, E., & Stephens, S. (2007). The Semantic Web in Action. Scientific American, 297(6), 90. https://doi.org/10.1038/scientificamerican1207-90

Chicago Style (17th ed.) Citation

Feigenbaum, Lee, Ivan Herman, Tonya Hongsermeier, Eric Neumann, and Susie Stephens. "The Semantic Web in Action." Scientific American 297, no. 6 (2007): 90. https://doi.org/10.1038/scientificamerican1207-90.

MLA (9th ed.) Citation

Feigenbaum, Lee, et al. "The Semantic Web in Action." Scientific American, vol. 297, no. 6, 2007, p. 90, https://doi.org/10.1038/scientificamerican1207-90.