APA (7th ed.) Citation
Merrill, S., & Grofman, B. (1999). A unified theory of voting: Directional and proximity spatial models. Cambridge University Press.
Chicago Style (17th ed.) Citation
Merrill, Samuel, and Bernard Grofman. A Unified Theory of Voting: Directional and Proximity Spatial Models. Cambridge, UK ; New York: Cambridge University Press, 1999.
MLA (9th ed.) Citation
Merrill, Samuel, and Bernard Grofman. A Unified Theory of Voting: Directional and Proximity Spatial Models. Cambridge University Press, 1999.
Warning: These citations may not always be 100% accurate.