Cita APA (7th ed.)

Roberts, B. (1943). The American labour split and allied unity. Lawrence and Wishart.

Cita Chicago (17th ed.)

Roberts, Bryn. The American Labour Split and Allied Unity. London: Lawrence and Wishart, 1943.

Cita MLA (8th ed.)

Roberts, Bryn. The American Labour Split and Allied Unity. Lawrence and Wishart, 1943.