APA (7th ed.) Citation

McConnell, H., & Yaseen, D. W. (1971). Models of spatial variation. Northern Illinois University Press.

Chicago Style (17th ed.) Citation

McConnell, Harold, and David W. Yaseen. Models of Spatial Variation. Dekalb: Northern Illinois University Press, 1971.

MLA (9th ed.) Citation

McConnell, Harold, and David W. Yaseen. Models of Spatial Variation. Northern Illinois University Press, 1971.