APA (7th ed.) Citation

Lieutenant X & Paulin, M. (1965). Langelot agent secret. Hachette.

Chicago Style (17th ed.) Citation

Lieutenant X and Maurice Paulin. Langelot Agent Secret. [Paris]: Hachette, 1965.

MLA (8th ed.) Citation

Lieutenant X and Maurice Paulin. Langelot Agent Secret. Hachette, 1965.

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