Cita APA (7th ed.)

Bernerd Crick,William A.Robson. (1970). Protest and discontent. Penguin.

Cita Chicago (17th ed.)

Bernerd Crick,William A.Robson. Protest and Discontent. London: Penguin, 1970.

Cita MLA (9th ed.)

Bernerd Crick,William A.Robson. Protest and Discontent. Penguin, 1970.