APA (7th ed.) Citation

Greene, G., & Sibon, M. (1980). L'Agent secret: Roman. le Livre de poche.

Chicago Style (17th ed.) Citation

Greene, Graham, and Marcelle Sibon. L'Agent Secret: Roman. Paris: le Livre de poche, 1980.

MLA (9th ed.) Citation

Greene, Graham, and Marcelle Sibon. L'Agent Secret: Roman. le Livre de poche, 1980.

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