APA (7th ed.) Citation

(1964). Spaak, Paul Henri. . Collard, Leo.

Chicago Style (17th ed.) Citation

Spaak, Paul Henri. . Collard, Leo. 1964.

MLA (8th ed.) Citation

Spaak, Paul Henri. . Collard, Leo. 1964.

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