Cita APA (7a ed.)

Verba, S., Nie, N. H., & Kim, J. (1987). Participation and political equality: A seven-nation comparison (Ed. 1987.). University of Chicago Press.

Cita Chicago Style (17a ed.)

Verba, Sidney, Norman H. Nie, y Jae-On Kim. Participation and Political Equality: A Seven-nation Comparison. Ed. 1987. Chicago [etc.]: University of Chicago Press, 1987.

Cita MLA (9a ed.)

Verba, Sidney, et al. Participation and Political Equality: A Seven-nation Comparison. Ed. 1987. University of Chicago Press, 1987.