APA-viite (7. p.)

Verba, S., & Nie, N. H. Participation in America: Political democracy an social equality. University of Chicago Press.

Chicago-viite (17. p.)

Verba, Sidney, ja Norman H. Nie. Participation in America: Political Democracy an Social Equality. Chicago: University of Chicago Press.

MLA-viite (9. p.)

Verba, Sidney, ja Norman H. Nie. Participation in America: Political Democracy an Social Equality. University of Chicago Press.