APA (7th ed.) Citation

Sahr, K., White, D., & Kimerling, A. J. (2003). Geodesic Discrete Global Grid Systems. Cartography and geographic information science, 30(2), 121-134. https://doi.org/10.1559/152304003100011090

Chicago Style (17th ed.) Citation

Sahr, Kevin, Denis White, and A. Jon Kimerling. "Geodesic Discrete Global Grid Systems." Cartography and Geographic Information Science 30, no. 2 (2003): 121-134. https://doi.org/10.1559/152304003100011090.

MLA (9th ed.) Citation

Sahr, Kevin, et al. "Geodesic Discrete Global Grid Systems." Cartography and Geographic Information Science, vol. 30, no. 2, 2003, pp. 121-134, https://doi.org/10.1559/152304003100011090.