Cita APA (7a ed.)

Spaak, P. H. C. (1959). Why Nato?: Published on the occasion of the tenth anniversary of the signing of the North Atlantic Treaty. Penguin.

Cita Chicago Style (17a ed.)

Spaak, Paul Henri Charles. Why Nato?: Published on the Occasion of the Tenth Anniversary of the Signing of the North Atlantic Treaty. Harmondsworth: Penguin, 1959.

Cita MLA (9a ed.)

Spaak, Paul Henri Charles. Why Nato?: Published on the Occasion of the Tenth Anniversary of the Signing of the North Atlantic Treaty. Penguin, 1959.