Cita APA (7th ed.)

Kedward, R., Roberts, J., & Morgan, R. (1968). Thunder on the left: Socialism, anarchism, violence. London: Purnell.

Cita Chicago (17th ed.)

Kedward, Roderick, J.M Roberts, i Roger Morgan. Thunder on the Left: Socialism, Anarchism, Violence. London: Purnell, 1968.

Cita MLA (8th ed.)

Kedward, Roderick, et al. Thunder on the Left: Socialism, Anarchism, Violence. London: Purnell, 1968.