APA (7th ed.) Citation

Repetto, R. (1992). Accounting for environmental assets. Scientific American, 266(6), 94. https://doi.org/10.1038/scientificamerican0692-94

Chicago Style (17th ed.) Citation

Repetto, R. "Accounting for Environmental Assets." Scientific American 266, no. 6 (1992): 94. https://doi.org/10.1038/scientificamerican0692-94.

MLA (9th ed.) Citation

Repetto, R. "Accounting for Environmental Assets." Scientific American, vol. 266, no. 6, 1992, p. 94, https://doi.org/10.1038/scientificamerican0692-94.