APA (7th ed.) Citation

Gallup, J. L., Sachs, J. D., & Mellinger, A. D. (1999). Geography and Economic Development. International regional science review, 22(2), 179-232. https://doi.org/10.1177/016001799761012334

Chicago Style (17th ed.) Citation

Gallup, John Luke, Jeffrey D. Sachs, and Andrew D. Mellinger. "Geography and Economic Development." International Regional Science Review 22, no. 2 (1999): 179-232. https://doi.org/10.1177/016001799761012334.

MLA (9th ed.) Citation

Gallup, John Luke, et al. "Geography and Economic Development." International Regional Science Review, vol. 22, no. 2, 1999, pp. 179-232, https://doi.org/10.1177/016001799761012334.