APA (7th ed.) Citation

Verba, S., Nie, N. H., & Kim, J. Participation and political equality: A seven-nation comparison. University of Chicago Press.

Chicago Style (17th ed.) Citation

Verba, Sidney, Norman H. Nie, and Jae-on Kim. Participation and Political Equality: A Seven-nation Comparison. Chicago: University of Chicago Press.

MLA (9th ed.) Citation

Verba, Sidney, et al. Participation and Political Equality: A Seven-nation Comparison. University of Chicago Press.