APA (7th ed.) Citation

LG, M., RF, B., RE, D., GH, C., & RH, T. (1979). Calibration of the great american interchange. Science (New York, N.Y.), 204(4390), 272. https://doi.org/10.1126/science.204.4390.272

Chicago Style (17th ed.) Citation

LG, Marshall, Butler RF, Drake RE, Curtis GH, and Tedford RH. "Calibration of the Great American Interchange." Science (New York, N.Y.) 204, no. 4390 (1979): 272. https://doi.org/10.1126/science.204.4390.272.

MLA (9th ed.) Citation

LG, Marshall, et al. "Calibration of the Great American Interchange." Science (New York, N.Y.), vol. 204, no. 4390, 1979, p. 272, https://doi.org/10.1126/science.204.4390.272.