Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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