Citazione Stile APA (7a Edizione)

Merrill, S., & Grofman, B. (1999). A unified theory of voting: Directional and proximity spatial models. Cambridge University Press.

Citazione stile Chigago Style (17a edizione)

Merrill, Samuel, e Bernard Grofman. A Unified Theory of Voting: Directional and Proximity Spatial Models. Cambridge, UK ; New York: Cambridge University Press, 1999.

Citatione MLA (9a ed.)

Merrill, Samuel, e Bernard Grofman. A Unified Theory of Voting: Directional and Proximity Spatial Models. Cambridge University Press, 1999.