Cita APA (7a ed.)

Farrell, D. M. (2011). Electoral systems: A comparative introduction (2nd ed.). Palgrave Macmillan.

Cita Chicago Style (17a ed.)

Farrell, David M. Electoral Systems: A Comparative Introduction. 2nd ed. Basingstoke [etc.]: Palgrave Macmillan, 2011.

Cita MLA (9a ed.)

Farrell, David M. Electoral Systems: A Comparative Introduction. 2nd ed. Palgrave Macmillan, 2011.