APA (7th ed.) Citation

Lemonick, M. D. (2013). THE DOWN OF DISTANT SKIES. Scientific American, 309(1), 40. https://doi.org/10.1038/scientificamerican0713-40

Chicago Style (17th ed.) Citation

Lemonick, Michael D. "THE DOWN OF DISTANT SKIES." Scientific American 309, no. 1 (2013): 40. https://doi.org/10.1038/scientificamerican0713-40.

MLA (9th ed.) Citation

Lemonick, Michael D. "THE DOWN OF DISTANT SKIES." Scientific American, vol. 309, no. 1, 2013, p. 40, https://doi.org/10.1038/scientificamerican0713-40.