Cita APA (7a ed.)

Lucas, J. R. (1976). Democracy and participation. Penguin Books.

Cita Chicago Style (17a ed.)

Lucas, J. R. Democracy and Participation. Harmondsworth: Penguin Books, 1976.

Cita MLA (9a ed.)

Lucas, J. R. Democracy and Participation. Penguin Books, 1976.