APA (7th ed.) Citation

Ozouf, M., & Coustou, J. (1961). Cycle d'observation, 6e. Nathan.

Chicago Style (17th ed.) Citation

Ozouf, Marianne, and Jean Coustou. Cycle D'observation, 6e. Paris: Nathan, 1961.

MLA (9th ed.) Citation

Ozouf, Marianne, and Jean Coustou. Cycle D'observation, 6e. Nathan, 1961.