APA (7th ed.) Citation

Woolf, L. (1939). Barbarians at the gate. Gollancz.

Chicago Style (17th ed.) Citation

Woolf, Leonard. Barbarians at the Gate. London: Gollancz, 1939.

MLA (8th ed.) Citation

Woolf, Leonard. Barbarians at the Gate. Gollancz, 1939.