APA (7th ed.) Citation

Angell, N. (1940). Why freedom matters / by N. Angell. Penguin.

Chicago Style (17th ed.) Citation

Angell, N. Why Freedom Matters / by N. Angell. Penguin, 1940.

MLA (9th ed.) Citation

Angell, N. Why Freedom Matters / by N. Angell. Penguin, 1940.

Warning: These citations may not always be 100% accurate.