APA (7th ed.) Citation

Walter , N. (1963). Danger ! Official secret: RSG-6. Spies for Peace.

Chicago Style (17th ed.) Citation

Walter , Nicolas. Danger ! Official Secret: RSG-6. Spies for Peace, 1963.

MLA (8th ed.) Citation

Walter , Nicolas. Danger ! Official Secret: RSG-6. Spies for Peace, 1963.

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