APA (7th ed.) Citation
Johnston, R., & Pattie, C. (2001). On geographers and ecological inference. Annals of the Association of American Geographers, 91(2), 281-283.
Chicago Style (17th ed.) Citation
Johnston, Ron, and Charles Pattie. "On Geographers and Ecological Inference." Annals of the Association of American Geographers 91, no. 2 (2001): 281-283.
MLA (9th ed.) Citation
Johnston, Ron, and Charles Pattie. "On Geographers and Ecological Inference." Annals of the Association of American Geographers, vol. 91, no. 2, 2001, pp. 281-283.
Warning: These citations may not always be 100% accurate.