Cita APA (7th ed.)

Gallacher, W. (1949). The case for communism. Penguin.

Cita Chicago (17th ed.)

Gallacher, William. The Case for Communism. Harmondsworth: Penguin, 1949.

Cita MLA (8th ed.)

Gallacher, William. The Case for Communism. Penguin, 1949.