Cita APA (7a ed.)

Crick, B., & Robson, W. A. (1970). Protest and discontent. Penguin.

Cita Chicago Style (17a ed.)

Crick, Bernard, y William Alexander Robson. Protest and Discontent. Harmondsworth: Penguin, 1970.

Cita MLA (9a ed.)

Crick, Bernard, y William Alexander Robson. Protest and Discontent. Penguin, 1970.