APA (7th ed.) Citation

Epstein, I. R. (1983). Oscillating chemical reactions. Scientific American, 249, 112. https://doi.org/10.1038/scientificamerican0383-50

Chicago Style (17th ed.) Citation

Epstein, I. R. "Oscillating Chemical Reactions." Scientific American 249 (1983): 112. https://doi.org/10.1038/scientificamerican0383-50.

MLA (9th ed.) Citation

Epstein, I. R. "Oscillating Chemical Reactions." Scientific American, vol. 249, 1983, p. 112, https://doi.org/10.1038/scientificamerican0383-50.