Cita APA (7th ed.)

Birnbaum, P., Parry, G., & Lively, J. (1978). Democracy, consensus & social contract. SAGE.

Cita Chicago (17th ed.)

Birnbaum, Pierre, Geraint Parry, i Jack Lively. Democracy, Consensus & Social Contract. Londres: SAGE, 1978.

Cita MLA (9th ed.)

Birnbaum, Pierre, et al. Democracy, Consensus & Social Contract. SAGE, 1978.