APA (7th ed.) Citation

Mann, C. C., & Plummer, M. L. (1993). The high cost of biodiversity. Science, 260, 1868. https://doi.org/10.1126/science.260.5116.1868

Chicago Style (17th ed.) Citation

Mann, Charles C., and Mark L. Plummer. "The High Cost of Biodiversity." Science 260 (1993): 1868. https://doi.org/10.1126/science.260.5116.1868.

MLA (9th ed.) Citation

Mann, Charles C., and Mark L. Plummer. "The High Cost of Biodiversity." Science, vol. 260, 1993, p. 1868, https://doi.org/10.1126/science.260.5116.1868.