APA (7th ed.) Citation

Nie, N. H., Verba, S., & Petrocik, J. R. (1979). The changing American voter (Enl. ed.). Harvard University Press.

Chicago Style (17th ed.) Citation

Nie, Norman H., Sidney Verba, and John R. Petrocik. The Changing American Voter. Enl. ed. Cambridge, Mass.: Harvard University Press, 1979.

MLA (8th ed.) Citation

Nie, Norman H., et al. The Changing American Voter. Enl. ed. Harvard University Press, 1979.