Cita APA (7th ed.)

Verba, S. (1978). Participation and political equality: A seven-nation comparism. C.U.Pr..

Cita Chicago (17th ed.)

Verba, Sidney. Participation and Political Equality: A Seven-nation Comparism. Cambridge: C.U.Pr., 1978.

Cita MLA (9th ed.)

Verba, Sidney. Participation and Political Equality: A Seven-nation Comparism. C.U.Pr., 1978.