APA (7th ed.) Citation

Freire, A., & Santana-Pereira, J. (2014). Economic Voting in Portugal, 2002-2009.

Chicago Style (17th ed.) Citation

Freire, A., and José Santana-Pereira. Economic Voting in Portugal, 2002-2009. 2014.

MLA (8th ed.) Citation

Freire, A., and José Santana-Pereira. Economic Voting in Portugal, 2002-2009. 2014.

Warning: These citations may not always be 100% accurate.